Black Bear Pass Road — Silverton to Telluride via the San Juan High Mines
One-way down. No second chances.
Black Bear Pass is one-way downhill from Silverton to Telluride for a reason — the switchbacks on the Telluride side are so tight and exposed that coming up is genuinely impossible for anything longer than a short-wheelbase Jeep, and even those get sketchy. The road leaves US-550 at the top of Red Mountain Pass and climbs to 12,840 feet before descending through the remnants of the Ingram and Bridal Veil Falls mining district, past a hanging perch above the Telluride valley where you can see the entire box canyon laid out below you. The final descent involves a series of blind, off-camber switchbacks on loose shale with a vertical drop waiting on the outside edge. People have died here. Rigs have gone over. The Bridal Veil Falls powerhouse — a National Historic Landmark still generating power — sits just above the valley floor and marks your arrival into civilization.
This is expert-level terrain. Minimum 33-inch tyres, full-length rocker protection, a quality locker front or rear, and an experienced spotter on the switchbacks. Short-wheelbase rigs (Jeep JK 2-door, early Bronco, FJ40) handle the hairpins; long-wheelbase vehicles have no business on the Telluride descent. The road is typically open July through September but snowstorms can close it any month — check with the Ouray County Sheriff and San Juan County road conditions before departure. No permit required. No camping on the pass itself. What you get is the most dramatic descent in the Lower 48, full stop.
Trail Specs
| Difficulty | Expert |
|---|---|
| Trail Type | Technical 4x4 |
| Surface | Dirt, Mixed, Rock |
| Features | High Altitude, Historic, Remote, Scenic |
| Length (miles) | 11 mi / 17.7 km |
| Duration | Half day |
| Max elevation (ft) | 12840 ft |
| Best season | July-September |
| Minimum vehicle | Short-wheelbase 4WD, lockers, 33" tyres minimum |
| Nearest town | Silverton, CO |
| Land manager | USDA Forest Service — Uncompahgre National Forest / San Juan County Road and Bridge |
| Permit required | No |
| Cell service | None |
| Water crossings | No |
| Dispersed camping | No |
| Official sources | USFS Uncompahgre NF rec area San Juan County Roads & Bridges |
| 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 run Black Bear Pass, or do I need lockers and a lift?
A stock Wrangler can make it, but you're pushing your luck. Minimum realistic setup is a short-wheelbase 4WD with lockers and 33" tires — the switchbacks above Telluride are brutally tight and the shelf road tolerates zero mistakes. Long-wheelbase rigs like full-size trucks should not attempt this trail.
When does Black Bear Pass Road actually open each year, and is snow a real concern?
July through September is the reliable window — the pass sits at 12,840 feet and holds snow well into summer. Don't assume it's clear before late June, and afternoon thunderstorms in August can make the already-sketchy rock surface genuinely dangerous. Check current conditions with San Juan County Roads & Bridge before you go.
Do I need a permit to drive Black Bear Pass Road?
No permit required as of current regulations — it's a San Juan County road crossing USFS land. No fees either. That said, check with the Uncompahgre National Forest and San Juan County Roads & Bridge before your trip, as high-use Colorado trails are increasingly seeing access restrictions.
What exactly is the hardest section and what makes it so dangerous?
The descent into Telluride — specifically the three-step switchbacks below the pass — is where rigs go over the edge. These are off-camber, loose-rock switchbacks on a one-way shelf road with sheer drop-offs and no guardrails. It runs one direction only (Silverton to Telluride), you cannot back up if you commit, and there is no recovery room if you misjudge your line.
Is there any cell service on the trail, and what should I know about getting a tow or recovery if something goes wrong?
Zero cell service the entire route. If your rig goes over or breaks down, you're waiting on another party to reach help in either Silverton or Telluride — both are serious drives from mid-trail. Run with at least one other vehicle, carry a satellite communicator, and have a recovery kit; a tow from this trail is expensive, complicated, and sometimes impossible.
Trail track
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