Vermont Route 100 Cotton Brook Road
Green Mountain granite challenge with Vermont views
Cotton Brook Road splits off Vermont Route 100 like a forgotten artery into the Green Mountain National Forest, where logging trucks once hauled timber down granite ledges that’ll test your truck’s articulation. The road climbs through dense hardwood forests to Cotton Brook Falls, then continues past abandoned quarry sites where massive granite blocks still sit scattered like dice thrown by giants. Key waypoints include the Cotton Brook Bridge crossing and the technical rock garden at mile marker 4.5.
This is legitimate moderate-difficult terrain requiring real 4WD with low range and skid plates — stock trucks will struggle on the granite slabs. Best tackled June through October when streams are manageable and road isn’t washed out from spring runoff. No permits needed, but respect private logging operations. Dispersed camping available at several cleared sites. You’ll earn solitude, genuine Vermont backcountry, and some of the best fall foliage views in New England if you time it right.
Trail Specs
| Difficulty | Moderate |
|---|---|
| Trail Type | Technical 4x4 |
| Surface | Dirt, Rock |
| Features | Camping, Remote, Scenic, Water Crossings |
| Length (miles) | 12 mi / 19.3 km |
| Duration | Half day |
| Max elevation (ft) | 3200 ft |
| Best season | June-October |
| Minimum vehicle | 4WD with low range and skid plates |
| Nearest town | Rochester, Vermont |
| Land manager | Green Mountain National Forest |
| Permit required | No |
| Cell service | None |
| Water crossings | Yes |
| Dispersed camping | Yes |
| Start coordinates | |
| End coordinates | |
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Location
Trail Conditions
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Frequently asked questions
Can a stock Jeep Wrangler or 4Runner handle Cotton Brook Road without modifications?
A stock 4WD with low range and factory skid plates will get through, but rock gardens on this trail will punish unprotected differentials and transfer cases. Aftermarket skids are worth having before you roll in.
When does Cotton Brook Road typically open and close each year?
Best window is June through October. Spring mud season (April–May) turns the logging road into a mess that'll swallow axles, and early snowfall can make the upper elevations sketchy by late October. Check with Green Mountain National Forest before heading out shoulder-season.
Do you need a permit to drive or camp on Cotton Brook Road?
No permit required for vehicle travel or dispersed camping — it's Green Mountain National Forest land. Follow Leave No Trace, pack out everything, and don't camp within 200 feet of the water crossings.
What's the hardest section of the trail and what should I actually expect?
The rock gardens mid-route are the crux — embedded granite ledges with limited line choice that will high-center a vehicle with poor clearance. It's not a death-defying obstacle, but it's not fire road cruising either; plan for slow, deliberate wheel placement.
Is there any place to top off water along the trail, and how far is the nearest gas from the trailhead?
There are stream crossings on-trail but treat any water you collect — giardia is real in Vermont backcountry. Rochester is your last stop for fuel; don't count on anything closer, and the nearest full-service town after that is Middlebury, roughly 35 miles northwest.
Trail track
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