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What can you ride on Four Rivers Field Office routes?
How many of Four Rivers Field Office's published BLM routes list your vehicle, and any limits in BLM's own words.
Four Rivers Field Office routes by vehicle
236 mi of published routes in Idaho, BLM file as of September 2026.
| Vehicle | Routes list it | Street-legal only | BLM does not say |
|---|---|---|---|
| ATV | 224 mi | 0 mi | 0 mi |
| Side-by-side (UTV) | 224 mi | 0 mi | 0 mi |
| Motorcycle (dirt bike) | 236 mi | 0 mi | 0 mi |
| Street-legal 4x4 | 200 mi | 0 mi | 0 mi |
BLM Ride CheckFour Rivers Field Office
Street-legal 4x4 · Four Rivers Field Office
Most routes list it200 mi of Four Rivers Field Office's 236 mi of published routes list street-legal 4x4s.
- List your vehicle 200 mi
- List other vehicles 36 mi
8 mi of the routes that list your vehicle carry a seasonal restriction from BLM. Where BLM words it, the dates are below.
Routes with limits, in BLM's words (5)
- 37NCA2105.300B · 3 mi · All motorized vehicles"Closed January 15 - July 31"
- 37NCA113.314 · 3 mi · All motorized vehicles"Closed January 15 - July 31"
- Route 37NCA2103 · 2 mi · All motorized vehicles"Closed January 15 - July 31"
- 37NCA108.300A · 1 mi · All motorized vehicles"Closed January 15 - July 31"
- 37NCA108.390 · 0.3 mi · All motorized vehicles"Closed January 15 - July 31"
Source: Bureau of Land Management. Not a legal document or land survey. Check with the BLM field office and posted signs before you ride.
- BLM's own route file
- Your vehicle, every field office
- Limits in BLM's words
Routes from the Bureau of Land Management, simplified for web display. Rules and contacts: BLM off-highway vehicle program.
Hunting in Idaho
Outfitters, guides and lodges near Four Rivers Field Office.
By field office
Other field offices in Idaho
Common questions
BLM route questions
200 mi of the 236 mi of routes BLM publishes for Four Rivers Field Office list street-legal 4x4s. Pick another vehicle in the tool for its own count. A route missing from the file is not published, which is not the same as closed.
BLM flags 8 mi here with a seasonal restriction. Where its file words the limit, the tool shows the words unchanged, and the file does not word them all. Check with the field office before you plan around them.
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