Valley County ID Land & Home Lots for Sale

/8
$460,000
- Land
- 0.65 Acre
- $704,441 per Acre
2153 Lydia Dr Unit 24, Donnelly, ID 83615

Prime Ski-In Homesite Near Cascade Lake & Tamarack Resort! This wooded Lydia Lane lot offers mature pines, privacy, and a coveted Donnelly location steps from Tamarack's amenities. Enjoy ski-in access, nearby trails, and easy reach to Tamarack's new Cascade Lake Resort Marina, Golf Course, Fine Dining, and Adventure Hub. A level building site, utilities nearby, and peaceful surroundings make it

Nicole Youkstetter

Mountain Resort Realty

(208) 328-4272

2153 Lydia Dr Unit 24, Donnelly, ID 83615
/2
$250,000
- Land
- 0.35 Acre
- $708,215 per Acre
162 Fox Ln, McCall, ID 83638

Bring your own builder and style to the rare lot that is available in beautiful and very desirable McCall. no back neighbors. Services are are available.

Robert Renteria

Keller Williams Realty Boise

(208) 603-4886

162 Fox Ln, McCall, ID 83638
/16
$400,000
- Land
- 0.51 Acre
- $781,250 per Acre
19 Royal Ln Unit 4, Donnelly, ID 83615

Build Your Mountain Getaway Near Tamarack Resort! This beautiful wooded half-acre homesite offers towering pines, privacy, and easy access to year-round recreation. Located minutes from Tamarack's skiing, Cascade's new lakefront marina, local golf, hiking and snowmobile trails, wonderful dining, and adventure amenities — it's the perfect canvas for your dream cabin or vacation retreat. Level

Nicole Youkstetter

Mountain Resort Realty

(208) 875-5025

19 Royal Ln Unit 4, Donnelly, ID 83615
/50
$279,900
- Land
- 4.51 Acres
- $62,062 per Acre
10201 Packsaddle Rd, Cascade, ID 83611

Discover the perfect mountain escape on this 4.51-acre buildable lot in the desirable Latigo subdivision in Cascade. Enjoy breathtaking views, peaceful surroundings, and incredible flexibility—whether you’re ready to build now or simply want a beautiful recreational retreat. The property has an approved septic permit that can be transferred, The proposed septic, well and propane gas is ready to

Ben Zaverukha

Amherst Madison

(208) 990-5381

10201 Packsaddle Rd, Cascade, ID 83611
/12
$775,000
- Land
- 0.57 Acre
- $1,359,649 per Acre
116 Golden Bar Ct, Donnelly, ID 83615

LOCATION, LOCATION, LOCATION! Discover the perfect opportunity to build your dream vacation home or settle into a full-time residence at Tamarack Resort on this unique SLOPE SIDE lot. This .57-acre ski-in/ski-out building lot ideally situated near the base of Tamarack Express Lift, provides easy access to the lift and trail system year-round. Experience all the resort amenities, including

Shelly Fisher

Tamarack Realty LLC

(208) 969-8403

116 Golden Bar Ct, Donnelly, ID 83615
/10
$775,000
- Land
- 0.57 Acre
- $1,359,649 per Acre
116 Golden Bar Ct Unit 75, Donnelly, ID 83615

LOCATION, LOCATION, LOCATION! Discover the perfect opportunity to build your dream vacation home or settle into a full-time residence at Tamarack Resort on this unique SLOPE SIDE lot. This .57-acre ski-in/ski-out building lot ideally situated near the base of Tamarack Express Lift, provides easy access to the lift and trail system year-round. Experience all the resort amenities, including

Shelly Fisher

Tamarack Realty LLC

(208) 823-3965

116 Golden Bar Ct Unit 75, Donnelly, ID 83615
/27
$699,999
- Land
- 22.51 Acres
- $31,097 per Acre
13321 Idaho 55, McCall, ID 83638

Discover the perfect balance of privacy and open space with this stunning 22.5-acre parcel in recreational paradise; located just a short drive from McCall, Idaho. This unique property offers a harmonious mix of dense forest and open pasture, providing endless opportunities for building, recreation, or investment. Nestled in the scenic countryside near McCall, this property offers the tranquility

Nikolas Buich

Better Homes and Gardens 43 N

(208) 980-2378

13321 Idaho 55, McCall, ID 83638
/11
$245,000
- Land
- 1.56 Acres
- $157,051 per Acre
13 Cassia Ct, McCall, ID 83638

This 1.56-acre homesite in sought after Blackhawk Ranch offers the ultimate Idaho dream. Surrounded by mature pines and aspens, this peaceful lot sits on a culdesac and provides privacy and convenience while still being less than 15 minutes from downtown McCall. The spacious building pad is ready for your custom home or cabin. Enjoy sunsets, wildlife, and tranquil nature from your backyard.

Scott Swan

Silvercreek Realty Group

(208) 759-1043

13 Cassia Ct, McCall, ID 83638
/21
$290,000
- Land
- 0.38 Acre
- $763,158 per Acre
18 Clearwater, Donnelly, ID 83615

Bring your own builder and discover the perfect opportunity to build your dream vacation home or become a full-time residence at Tamarack Resort. This unique .38-acre ski-in/ski-out building lot is ideally situated just a short walk to Buttercup Lift, providing easy access to the lift and trail system. Experience all the resort amenities, including restaurants, a marketplace, coffee shop, pool,

Shelly Fisher

Tamarack Realty LLC

(208) 742-3996

18 Clearwater, Donnelly, ID 83615
/20
$290,000
- Land
- 0.38 Acre
- $763,158 per Acre
18 Clearwater Unit 22, Donnelly, ID 83615

Bring your own builder and discover the perfect opportunity to build your dream vacation home or become a full-time residence at Tamarack Resort. This unique .38-acre ski-in/ski-out building lot is ideally situated just a short walk to Buttercup Lift, providing easy access to the lift and trail system. Experience all the resort amenities, including restaurants, a marketplace, coffee shop, pool,

Shelly Fisher

Tamarack Realty LLC

(208) 551-5289

18 Clearwater Unit 22, Donnelly, ID 83615
/9
$254,900
- Land
- 1 Acre
- $254,900 per Acre
TBD Coho Ln, Donnelly, ID 83615

Price Adjustment! Beautiful, unobstructed views of Tamarack paired with sweeping mountain and valley vistas — this 1-acre parcel offers both inspiration and opportunity. Perfectly situated at the corner of Coho Lane and Hwy 55, with 242 feet of highway frontage, you’ll enjoy paved, year-round access and excellent visibility. With this prime exposure, there’s potential for commercial use — ask

Jo Ann Lowe

Idaho Farm and Home Realty

(208) 289-0172

TBD Coho Ln, Donnelly, ID 83615
/17
$650,000
- Land
- 0.78 Acre
- $833,333 per Acre
459 Discovery Dr, Donnelly, ID 83615

Nestled among majestic towering pines, this exceptional .78-acre estate homesite offers a rare opportunity to build your dream home within Tamarack Resort—the only resort in North America that seamlessly combines world-class skiing, championship golf, and a full-service marina on the shores of breathtaking Lake Cascade. Located just moments from the fairways and ski slopes, this private parcel

Haden Tanner

Tamarack Realty LLC

(208) 252-7943

459 Discovery Dr, Donnelly, ID 83615
/13
$724,900
- Land
- 0.5 Acre
- $1,449,800 per Acre
994 Discovery Dr, Donnelly, ID 83615

Discover the ultimate mountain lifestyle with this exceptional half-acre estate homesite located in the heart of Tamarack Resort — Idaho’s only four-season resort community offering lakefront, golf, and ski amenities all in one breathtaking location. Perfectly positioned along the fairways of the Osprey Meadows Golf Course, this homesite boasts prime golf course frontage on the acclaimed course

Haden Tanner

Tamarack Realty LLC

(208) 826-0599

994 Discovery Dr, Donnelly, ID 83615
/15
$575,000
- Land
- 0.56 Acre
- $1,026,786 per Acre
60 Azure Ct Unit 84, Donnelly, ID 83615

Build Your Dream Home on the Fairway – Premier Lot at Osprey Meadows, Tamarack Resort Welcome to one of the most desirable vacant lots in Tamarack Resort, Idaho's only four-season resort offering lake, mountain, and championship golf course amenities all in one breathtaking location. Nestled on the scenic edge of the Osprey Meadows Golf Course, this property offers panoramic views of the

Haden Tanner

Tamarack Realty LLC

(208) 277-0529

60 Azure Ct Unit 84, Donnelly, ID 83615
/18
$439,000
- Land
- 0.85 Acre
- $514,052 per Acre
2267 W Mountain Rd, Donnelly, ID 83615

A Rare Opportunity to Own a Legacy Homesite in the Heart of Idaho’s Alpine Paradise! Nestled on an expansive .85-acre homesite beneath a canopy of towering pines, this premier parcel captures sweeping 180-degree panoramic views of sparkling Cascade Lake and the snow-dusted peaks of the eastern mountains. Immersed in the tranquility of nature, this private sanctuary evokes the peaceful charm of a

Haden Tanner

Tamarack Realty LLC

(208) 295-5956

2267 W Mountain Rd, Donnelly, ID 83615
/16
$439,000
- Land
- 0.85 Acre
- $514,052 per Acre
2267 W Mountain Rd Unit 8, Donnelly, ID 83615

A Rare Opportunity to Own a Legacy Homesite in the Heart of Idaho's Alpine Paradise! Nestled on an expansive .85-acre homesite beneath a canopy of towering pines, this premier parcel captures sweeping 180-degree panoramic views of sparkling Cascade Lake and the snow-dusted peaks of the eastern mountains. Immersed in the tranquility of nature, this private sanctuary evokes the peaceful charm of a

Haden Tanner

Tamarack Realty LLC

(208) 279-1258

2267 W Mountain Rd Unit 8, Donnelly, ID 83615
/16
$175,000
- Land
- 0.33 Acre
- $530,303 per Acre
13116 Hawks Bay Rd, Donnelly, ID 83615

Beautiful level lot with 360 degree views! Tamarack Resort only minutes away! Take in views of the ski runs and Lake Cascade. Deeded access to Lake Cascade's non-motorized portion where you can enjoy paddle boarding, kayaking, and fishing. Power, water, sewer hookups at the property with lovely building site...Ready for you to build your dream home!

Heather Haynes

Century 21 Whitewater Clark

(208) 330-9732

13116 Hawks Bay Rd, Donnelly, ID 83615
/16
$175,000
- Land
- 0.33 Acre
- $530,303 per Acre
13116 Hawks Bay Rd Unit 9, Donnelly, ID 83615

Beautiful level lot with 360 degree views! Tamarack Resort only minutes away! Take in views of the ski runs and Cascade Lake. Deeded access to Cascade Lake's non-motorized portion where you can enjoy paddle boarding, kayaking and fishing. Power, Water, Sewer hookups at the property with lovely building site...Ready for you to build your dream home!

Heather Haynes

Century 21 Whitewater Clark

(208) 494-8274

13116 Hawks Bay Rd Unit 9, Donnelly, ID 83615
/12
$2,230,000
- Land
- 29.6 Acres
- $75,338 per Acre
TBD Hwy 55, Donnelly, ID 83615

Over 1,500 feet of Hwy 55 frontage! Just south of Donnelly, this incredible 30-acre parcel offers stunning 360 views of Tamarack Resort and the surrounding mountains. With water rights & an irrigation ditch this is an ideal opportunity to bring your vision to life—whether it's a dream home, ranch, or development project. Don't miss out on this rare chance to own a slice of Idaho paradise.

Heather Haynes

Century 21 Whitewater Clark

(208) 729-4765

TBD Hwy 55, Donnelly, ID 83615
/13
$3,750,000
- Land
- 49.8 Acres
- $75,301 per Acre
TBD Hwy 55, Donnelly, ID 83615

Over 1,500 feet of Hwy 55 frontage! Just south of Donnelly, this incredible 50-acre parcel offers stunning 360 views of Tamarack Resort and the surrounding mountains. With water rights, an irrigation ditch, and a pond already in place, this is an ideal opportunity to bring your vision to life—whether it's a dream home, ranch, or development project. Don't miss out on this rare chance to own a

Heather Haynes

Century 21 Whitewater Clark

(208) 418-0115

TBD Hwy 55, Donnelly, ID 83615
/5
$295,000
- Land
- 1.35 Acres
- $218,519 per Acre
TBD Morell Rd, McCall, ID 83638

Discover the perfect setting for your mountain retreat on this exceptional 1.3-acre parcel with spectacular views of Jughandle Mountain. This ready-to-build property already features a well and septic system—saving you time and significant upfront costs. Ideally located for outdoor enthusiasts, you'll enjoy easy access to nearby state land along with close proximity to Louie Lake and Boulder

Shane Hinson

Mountain Resort Realty

(208) 328-6632

TBD Morell Rd, McCall, ID 83638
/21
$739,000
- Land
- 20 Acres
- $36,950 per Acre
12231 Finlandia Rd, Donnelly, ID 83615

Experience 20 acres on the west side of Long Valley, offering stunning 360-degree panoramic views. This beautiful property features a 40x80 steel shop with a concrete floor, power, and a built-in mezzanine for additional storage. With a well already installed and septic approval in place, much of the groundwork is done for you. Don’t miss the opportunity to own this incredible piece of land.

Heather Haynes

Century 21 Whitewater Clark

(208) 782-5522

12231 Finlandia Rd, Donnelly, ID 83615
/11
$179,000
- Land
- 1.25 Acres
- $143,200 per Acre
8 Haymaker Place Unit 61, McCall, ID 83638

Build your dream mountain retreat on this exceptional 1.25-acre homesite in the desirable Whitecloud Subdivision of McCall. This wooded site offers the perfect blend of privacy and recreation, backing directly to the common area land, ideal for year-round enjoyment. Surrounded by mature trees and natural beauty, the property provides a peaceful setting while still being just minutes from downtown

The Jones Group

Mountain Resort Realty

(208) 547-6078

8 Haymaker Place Unit 61, McCall, ID 83638
/17
$795,000
- Land
- 12.26 Acres
- $64,834 per Acre
1217 Elo Rd Unit 1, McCall, ID 83638

Expansive 12+ acre parcel ideally positioned along the desirable Elo corridor, just minutes from downtown McCall on the Farm to Market approach. Enjoy picturesque, down-valley views and stunning sight-lines to Jughandle Mountain, all with beautiful southern exposure. This property offers a rare blend of usability and natural beauty—featuring open meadows, scattered evergreens, and a seasonal

Nicole Youkstetter

Mountain Resort Realty

(208) 306-4459

1217 Elo Rd Unit 1, McCall, ID 83638
/16
$795,000
- Land
- 12 Acres
- $66,250 per Acre
1217 Elo Rd, McCall, ID 83638

Expansive 12+ acre parcel ideally positioned along the desirable Elo corridor, just minutes from downtown McCall on the Farm to Market approach. Enjoy picturesque, down-valley views and stunning sight-lines to Jughandle Mountain, all with beautiful southern exposure. This property offers a rare blend of usability and natural beauty—featuring open meadows, scattered evergreens, and a seasonal

Nicole Youkstetter

Mountain Resort Realty

(208) 907-4759

1217 Elo Rd, McCall, ID 83638
/28
$225,000
- Land
- 1.67 Acres
- $134,569 per Acre
24 Ranch Cir, Cascade, ID 83611

Discover your slice of Idaho paradise! This 1.67-acre property in beautiful High Valley offers a perfect getaway, whether you're looking to camp or build your dream cabin. The lot is fully equipped with power, an RV dump, a 1000-gallon septic tank and a nice shed. A gravel driveway leads to a large RV/building pad, ready for immediate use. Enjoy year-round access to this stunning location.

Niccole Welch

Silvercreek Realty Group

(208) 453-7879

24 Ranch Cir, Cascade, ID 83611
/11
$229,000
- Land
- 0.25 Acre
- $916,000 per Acre
361 Payette St, Donnelly, ID 83615

Opportunity Zone duplex lot in Donnelly, Idaho! This prime property is ready for your vision. Located just two blocks from charming downtown Donnelly, the lot offers the ideal setting to build a duplex and is perfect for personal enjoyment, rental income, or a smart investment opportunity. Preliminary duplex plans are included with the sale, giving you a head start on bringing your project to

Heather Haynes

Century 21 Whitewater Clark

(208) 273-9870

361 Payette St, Donnelly, ID 83615
/26
$279,000
- Land
- 0.95 Acre
- $295,051 per Acre
117 Morgan Dr Unit 3, McCall, ID 83638

An Acre in the Pines with River Access, Trails, Clubhouse, Gym & Pool! An ideal mountain location, in a Private Payette Riverfront Community, with access to the river and Sheep Bridge that will get you quickly into town... You'll love all of the benefits of the luxury clubhouse, pool, gym, and groomed trails to the river. It's conveniently close to Downtown McCall and Payette Lake, Ski Resorts

Nicole Youkstetter

Mountain Resort Realty

(208) 644-8913

117 Morgan Dr Unit 3, McCall, ID 83638
/23
$279,000
- Land
- 0.95 Acre
- $295,238 per Acre
117 Morgan Dr, McCall, ID 83638

An ideal mountain location, in a Private Payette Riverfront Community, with access to the river and the new Sheep Bridge that will get you quickly into town... You'll love all of the benefits of the luxury clubhouse, pool, gym, groomed trails to the river, and it's so close to Downtown McCall and Payette Lake! Be sure to check out the Community Website online. You will love the serenity and

Nicole Youkstetter

Mountain Resort Realty

(208) 974-5547

117 Morgan Dr, McCall, ID 83638
/14
$299,000
- Land
- 0.37 Acre
- $808,108 per Acre
616-618 Teepee Rd Unit 25 & 28, Cascade, ID 83611

Build or Camp- the best of both worlds. Bring your own builder or create a private camping haven. 2 lots give this .37-acre lot options to meet a variety of needs with NO CCRs. Rare opportunity with filtered views of Lake Cascade NO and backyard neighbors. Campbell boat ramp is nearby making boating and lake access easy. Located 15 miles south of Tamarack Resort- America's only Ski, Golf, Lake

Shelly Fisher

Tamarack Realty LLC

(208) 413-7047

616-618 Teepee Rd Unit 25 & 28, Cascade, ID 83611
/21
$299,000
- Land
- 0.37 Acre
- $808,108 per Acre
616-618 Teepee Rd, Cascade, ID 83611

Build or Camp- the best of both worlds. Bring your own builder or create a private camping haven. The combined 2 lots give this .37-acre lot options to meet a variety of needs with NO CCRs. Rare opportunity with filtered views of Lake Cascade NO and backyard neighbors. Campbell boat ramp is nearby making boating and lake access easy. Located 15 miles south of Tamarack Resort- America’s only Ski,

Shelly Fisher

Tamarack Realty LLC

(208) 291-1165

616-618 Teepee Rd, Cascade, ID 83611
/5
$579,000
- Land
- 0.81 Acre
- $714,815 per Acre
495 Discovery Dr Unit 67, Tamarack, ID 83615

Picturesque .81-acre estate homesite with centralized access to all of Tamarack Resort. The level topography allows for designing incredible, useable outdoor living spaces. A two-story design will maximize lake, golf course and mountain views. Backs up to the woodlands of Foothill Park maximizing its private setting. Step out your door to enjoy Nordic, hiking and biking trails. Downhill skiing is

Shelly Fisher

Tamarack Realty LLC

(208) 205-9969

495 Discovery Dr Unit 67, Tamarack, ID 83615
/23
$579,000
- Land
- 0.81 Acre
- $714,815 per Acre
495 Discovery Dr, Tamarack, ID 83615

Picturesque .81-acre estate homesite with centralized access to all of Tamarack Resort. The level topography allows for designing incredible, useable outdoor living spaces. A two-story design will maximize lake, golf course and mountain views. Backs up to the woodlands of Foothill Park maximizing its private setting. Step out your door to enjoy Nordic, hiking and biking trails. Downhill skiing is

Shelly Fisher

Tamarack Realty LLC

(208) 285-3995

495 Discovery Dr, Tamarack, ID 83615
/16
$534,000
- Land
- 0.5 Acre
- $1,078,788 per Acre
484 Whitewater Dr, Donnelly, ID 83615

Build your mountain retreat in one of Tamarack Resort’s most desirable locations. This homesite sits on the edge of Buttercup Ski Run offering exceptional access to world-class skiing and snowboarding right outside your door. Located on a quiet, low-traffic street, the lot features amazing lake, mountain and valley views, making it ideal for a full-time residence, vacation home, or investment

Haden Tanner

Tamarack Realty LLC

(208) 516-2716

484 Whitewater Dr, Donnelly, ID 83615
/16
$534,000
- Land
- 0.5 Acre
- $1,078,788 per Acre
484 Whitewater Dr Unit 27, Donnelly, ID 83615

Build your mountain retreat in one of Tamarack Resort's most desirable locations. This homesite sits on the edge of Buttercup Ski Run offering exceptional access to world-class skiing and snowboarding right outside your door. Located on a quiet, low-traffic street, the lot features amazing lake, mountain and valley views, making it ideal for a full-time residence, vacation home, or investment

Haden Tanner

Tamarack Realty LLC

(986) 946-4753

484 Whitewater Dr Unit 27, Donnelly, ID 83615
/10
$400,000
- Land
- 0.51 Acre
- $784,314 per Acre
19 Royal Ln, Donnelly, ID 83615

Build Your Mountain Getaway Near Tamarack Resort! This beautiful wooded half-acre homesite offers towering pines, privacy, and easy access to year-round recreation. Located minutes from Tamarack’s skiing, Cascade's new lakefront marina, local golf, hiking and snowmobile trails, wonderful dining, and adventure amenities — it’s the perfect canvas for your dream cabin or vacation retreat. Level

Nicole Youkstetter

Mountain Resort Realty

(208) 845-3676

19 Royal Ln, Donnelly, ID 83615
/4
$460,000
- Land
- 0.65 Acre
- $704,441 per Acre
2153 Lydia Dr, Donnelly, ID 83615

Prime Ski-In Homesite Near Cascade Lake & Tamarack Resort! This wooded Lydia Lane lot offers mature pines, privacy, and a coveted Donnelly location steps from Tamarack’s amenities. Enjoy ski-in access, nearby trails, and easy reach to Tamarack's new Cascade Lake Resort Marina, Golf Course, Fine Dining, and Adventure Hub. A level building site, utilities nearby, and peaceful surroundings make it

Nicole Youkstetter

Mountain Resort Realty

(208) 314-2804

2153 Lydia Dr, Donnelly, ID 83615
/18
$22,500,000
- Land
- 5,000 Acres
- $4,500 per Acre
Tbd 1 Warm Lake Rd, Cascade, ID 83611

Grouse Mountain Reserve is an expansive 5,000-acre mountain holding in the heart of Valley County, Idaho, just outside of Cascade, offering a rare combination of scale, water, and adjacency to public lands. Accessed directly off Warm Lake Road, the property rises from approximately 5,080 feet along its lower creek corridors to 7,080 feet at its upper ridgelines, creating nearly 2,000 feet of

Wilks Brokers Wilks Ranch Brokers

Tbd 1 Warm Lake Rd, Cascade, ID 83611
/13
$760,000
- Land
- 80 Acres
- $9,500 per Acre
High Valley Rd, High Valley, ID 83611

Tucked into the heart of High Valley, this exceptional 80-acre offering presents a rare combination of privacy, natural beauty, and direct access. With access directly off High Valley Road, the property is easily reached yet feels worlds away, ideal for a retreat, recreational getaway, or future homesite.The land is richly timbered with a healthy mix of mature pine and fir, interspersed

Wilks Brokers Wilks Ranch Brokers

High Valley Rd, High Valley, ID 83611
/7
$1,080,000
- Land
- 120 Acres
- $9,000 per Acre
High Valley Rd, High Valley, ID 83611

Set in the heart of Idaho’s High Valley, this 120-acre legacy holding offers a rare opportunity to establish a private, multi-generational retreat surrounded by unspoiled mountain terrain and protected public lands. With access directly off High Valley Road, the property strikes a balance between seclusion and year-round usability, ideal for a long-term family asset.The landscape unfolds

Wilks Brokers Wilks Ranch Brokers

High Valley Rd, High Valley, ID 83611

Showing Results 1 - 40, Page 1 of 15

Idaho Valley County

How to Buy a Home How to Finance a Home How to Sell a Home

Valley County Types of Homes for Sale

Valley County Real Estate Listings

More About Living in Valley County

Land for Sale in Nearby Zip Codes

Land for Sale in Nearby Cities

Land for Sale in Nearby Counties

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Homes.com Licensing Information

§ 442-H New York Standard Operating Procedures

New York Fair Housing Notice

TREC: Information about brokerage services, Consumer protection notice

California DRE #01937601

Contact Homes.com Brokerage