Montana · USA

Missouri River Breaks Backcountry Road

Lewis & Clark's route through America's last frontier

Moderate

The Missouri River Breaks stretch for 149 miles of untamed river corridor where Lewis and Clark described the landscape as ‘scenes of visionary enchantment.’ This network of two-track ranch roads and BLM routes winds through coulees, sandstone formations, and prairie that looks identical to 1805. The main route follows the old Fort Benton to Jordan stage road, passing abandoned homesteads and the same white cliffs that stopped the Corps of Discovery cold. Primitive roads branch off to overlooks above the Missouri, where you might spot bighorn sheep on the bluffs.

Most routes are suitable for stock high-clearance vehicles in dry conditions, but spring mud and flash floods can strand you for days. Late spring through early fall offers the best access, though summer heat hits 100°F regularly. No permits required on BLM sections, but respect private ranch gates. Cell service is nonexistent, and the nearest fuel is often 50+ miles away. Pack serious water and emergency supplies — this is genuine middle-of-nowhere Montana where help isn’t coming quickly.

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Trail Specs

Difficulty
Trail Type
Surface
Features, , ,
Length (miles)89 mi / 143.2 km
Duration3-4 days
Max elevation (ft)3400 ft
Best seasonMay-October
Minimum vehicleHigh-clearance 2WD
Nearest townFort Benton, MT
Land managerBureau of Land Management
Permit requiredNo
Cell serviceNone
Water crossingsNo
Dispersed campingYes
Start coordinates
End coordinates
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Official: Moderate

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