Imogene Pass Road — Ouray to Telluride via the San Juan High Alpine Crossing

Imogene Pass is the highest maintained 4×4 road in the San Juan Mountains and one of the highest in the entire state — the pass crests at 13,114 feet on a shelf road barely wider than a full-size truck, with Ouray’s box canyon 4,000 feet below you and Telluride’s ski resort visible from the summit like a toy town. The route starts on Camp Bird Road out of Ouray, passes the still-operating Camp Bird Mine — one of the richest gold mines in Colorado history — and climbs through timber and tundra before the final switchbacks above treeline where wind, lightning, and afternoon thunderstorms are a genuine kill risk. The descent into Telluride through Tomboy ghost town is loose, steep, and spectacular.

This is an expert-level run. Lockers front and rear are strongly recommended; heavily modified or built rigs do this in stride but stock lifted trucks with meaty tyres will find the upper shelf unforgiving. Best window is mid-July through September before first snow — the road typically opens in late June but can see snow any month at the summit. No permit required but the Ouray County Road Department actively monitors conditions. Carry water and layers regardless of what the morning looks like in town. One-way travel from Ouray to Telluride is the cleaner option to avoid blind-corner head-ons on the upper shelf. Nearest fuel both ends. The Tomboy town site rewards the descent and justifies the pucker factor on the way up.