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6139 W Trail Creek Rd

Mackay, ID 83251
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SqFt589

Sqft(Lot)

These 589± acres feature exceptional improvements, seclusion, wildlife, scenery, extensive BLM boundary, productive cattle operations, and over a mile of both banks of the Big Lost River. Located 35± miles from Sun Valley over Trail Creek Pass and 20± northwest of Mackay. Large ranch holdings in the upper Lost River Valley rarely come for sale. The 589± acre Big Lost River Ranch is one of central Idaho\'s premier lifestyle, recreational, and ranching properties. Located in the upper Lost River Valley, 35± miles northeast of Ketchum/Sun Valley and 20± miles northwest of Mackay, the ranch is nearly surrounded by federal lands managed by the Bureau of Land Management (BLM) and encompasses over a mile of frontage on both banks of the Big Lost River, offering outstanding trout fishing. Set up for year-round living, the ranch features a beautifully crafted and appointed owner\'s residence with two bedrooms and two and a half bathrooms. Designed with entertaining in mind, the owner\'s cabin is warm and inviting and highlighted by floor-to-ceiling windows that frame extraordinary views of Idaho\'s highest peaks. Additional building improvements include a wonderfully restored log guest cabin with a sleeping loft, a greenhouse adjacent to the owner\'s residence, a restored log tack shed, a horse barn, a calving shed, a shop building with adjoining equipment storage, and a set of working corrals with a scale house and cattle scale. Originally run by the owners themselves as a year-round cow-calf operation producing high-quality branded beef, the ranch is currently leased for seasonal grazing to a local cattle rancher who emphasizes regenerative management practices. The property holds multiple irrigation rights covering up to 345 acres. The ranch\'s lush bottomland meadows are flood irrigated through a series of ditches, while approximately 130 acres are irrigated by a center pivot. The ranch is a sanctuary for elk, moose, mule deer, whitetail deer, and other wildlife that utilize the Big Lost River corridor. With high-quality public lands in every direction, the ranch is an excellent base from which to explore the area\'s remarkable high country, with hiking, horseback riding, and ATV touring available right from the gate. In addition, the Sawtooth National Recreation Area, the Salmon River, and multiple federal wilderness areas are all within easy reach.

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Detail Ic Property Details

Property Type : Farm

Price : $7,400,000

AD Id : 89913205

MLS Id : 26-334864

Beds : 4

Lot Size : 589 Sqft(Lot)

County : Custer

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Feature Features

  • Bedroom Information

    Total beds: 4

    Bathroom Information

    Total Baths: 5

  • Building Information

    Building Area Total: 4720 Stories: 1 Private Pool: No View: See Remarks

  • Lot Information

    Main Square Feet: 589 Acres Lot Size Acres: 589 Lot Size Source: Assessor Lot Size Square Feet: 25656840

  • Listing Price Information

    Listing Price: $7400000 Cash

  • Tax Information

    Parcel Number: RP08N21E021201 Tax Year: 2025 Annual Tax: $2240.48 Tax Legal Desc: Call Listing Office

  • Parking Information

    Gravel, Detached

    Garage Information

    Has Garage: Yes

  • Utility Information

    Underground Utilities
  • Location Information

    Direction: Call Listing Ofiice
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Nearby Home Value

Address Estimate Bed Bath Sq. Ft Lot Size
Bartlett Point Rd., Mackay, ID, 83251 $575,000 -- -- -- 12 Acres(Lot)
TBD 4200 N, Mackay, ID, 83251 $499,000 -- -- -- 8.60 Acres(Lot)
TBD Tbd, Mackay, ID, 83251 $595,000 -- -- -- 49.60 Acres(Lot)
TBD Antelope Lane, Mackay, ID, 83251 $42,500 -- -- -- 0.44 Acre(Lot)
TBD Mahogany, Mackay, ID, 83251 $42,500 -- -- -- 0.44 Acre(Lot)
TBD 4200 N, Mackay, ID, 83251 $499,000 -- -- -- 8.60 Acres(Lot)
Bar Rd, Mackay, ID, 83251 $595,000 -- -- -- 49.60 Acres(Lot)
TBD 90.95 Houston Rd, Mackay, ID, 83251 $1,700,000 -- -- -- 90.95 Acres(Lot)
400 - 406 S Rose Avenue, Mackay, ID, 83251 $140,000 -- -- -- 0.44 Acre(Lot)
TBD 5500, Mackay, ID, 83251 $185,000 -- -- -- 13.03 Acres(Lot)

The data relating to real estate for sale on this website comes in part from the Internet Data exchange (IDX) program of the Sun Valley Board of REALTORS®. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Real estate listings held by brokerage firms other than ByOwner, are indicated by detailed information about them such as the name of the listing firms. Information deemed reliable but not guaranteed. Copyright ©2026 Sun Valley Board of REALTORS®. All Rights Reserved.

ByOwner last updated this listing 09/01/2026 @ 15:37

MLS: 26-334864 LISTED BY: Trent Jones, 208-720-2871 SOURCE: Sun Valley Board of REALTORS

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