Idaho · USA

Selway River Road

Idaho's longest wilderness access road

Moderate

The Selway River Road (Forest Service Road 223) cuts through the heart of the largest roadless area in the lower 48, following the crystalline Selway River from Lowell to its headwaters near the Montana border. This legendary route threads between towering Ponderosa pines and granite walls, passing through O’Hara Bar and Race Creek, where mining camps once thrived and remnants of gold dredges still rust in quiet eddies. The road crosses dozens of tributaries on one-lane bridges, each crossing a reminder of how remote this country really is.

Moderate difficulty with seasonal closures from November through May due to snow and washouts. High-clearance 4WD recommended, especially beyond Selway Falls where the road narrows and rocky sections increase. Cell service is nonexistent, fuel up in Lowell, and pack extra water despite river proximity. Dispersed camping is excellent along the entire route, particularly at O’Hara Bar and Three Links Creek. This is Idaho wilderness at its rawest—no crowds, no cell towers, just the sound of moving water and country that hasn’t changed in a century.

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Trail Specs

Difficulty
Trail Type
Surface
Features, , , ,
Length (miles)100 mi / 160.9 km
Duration2-3 days
Max elevation (ft)4800 ft
Best seasonJune-October
Minimum vehicleHigh-clearance 4WD
Nearest townLowell, Idaho
Land managerUS Forest Service - Nez Perce-Clearwater National Forests
Permit requiredNo
Cell serviceNone
Water crossingsYes
Dispersed campingYes
Start coordinates
End coordinates
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Difficulty
Official: Moderate

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