Colorado Trail — Segment 25: Molas Pass to Bolam Pass Road
~2 days · 20.4 mi · moderate · Point-to-point
Quick facts
What the Colorado Trail — Segment 25: Molas Pass to Bolam Pass Road is known for
Segment 25: Molas Pass to Bolam Pass Road on the Colorado Trail: a 2-day point-to-point section of about 20.4 miles from Molas Pass Trailhead to Bolam Pass Road (FS 578) at Celebration Lake. Significant elevation gain and loss through the San Juan high country with sections above treeline requiring early starts to avoid afternoon thunderstorms.
Elevation profile
Elevation ranges from 35,659 ft to 40,568 ft over 20.4 mi. Measured from OSM geometry (approximate).
- Uphill 10.6 mi · 53%
- Downhill 8.3 mi · 42%
- Flat 0.9 mi · 5%
Ridgefold breaks every route into uphill, downhill, and flat — see the full per-day breakdown in the app.
How hard is the Colorado Trail — Segment 25: Molas Pass to Bolam Pass Road?
On the Ridgefold Difficulty Index, the Colorado Trail — Segment 25: Molas Pass to Bolam Pass Road scores 22/100, a relative rating across the 569 trails we've mapped, blending distance, elevation gain, and steepness. It is a comparison within our set, not an official rating.
Frequently asked questions
How many days does the Colorado Trail — Segment 25: Molas Pass to Bolam Pass Road take?
Most backpackers hike the Colorado Trail — Segment 25: Molas Pass to Bolam Pass Road in about 2 days (1 nights out) over its 20.4 miles, though pace varies with fitness and conditions.
How much elevation gain is on the Colorado Trail — Segment 25: Molas Pass to Bolam Pass Road?
The Colorado Trail — Segment 25: Molas Pass to Bolam Pass Road climbs roughly 3,904 ft total — about 191 ft per mile, topping out near 12,474 ft.
Related trails
Sources & attribution
Route geometry and stats derived from OpenStreetMap (© OpenStreetMap contributors, ODbL) — source relation. Stats are approximate and may differ from official surveys; permit rules and conditions change — verify with the managing authority before your trip. Last reviewed July 2026.