Motorcycle Ride Planner · Routes · United States
Silver Thread Scenic Byway & Slumgullion Pass
United States · CO-149
Rips through the volcanic San Juan caldera, historic mining towns of Creede and Lake City, and traces the headwaters of the Rio Grande. Climbs Slumgullion Pass with an active geological mudslide earthflow and a punishing 9% continuous grade that tests braking technique and line choice.
Silver Thread Scenic Byway & Slumgullion Pass runs 74 miles between South Fork, CO and Lake City, CO. We count about 220 corners along it, which is flowing rather than tight. Committed riding: real corners, real consequences.
Tank-bag quick reference
- StartSouth Fork, CO37.67, -106.6397
- High8,180 ft - 11,530 ft (Slumgullion Pass)elevation range
- EndLake City, CO38.0294, -107.3153
T-CLOCS before you go: tyres and wheels, controls and cables, lights and electrics, oil and fluids, chassis and stand.
More in United States
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- Lolo Pass (Lewis and Clark Highway)132 mi · 450 corners
Questions riders ask
- How long does Silver Thread Scenic Byway & Slumgullion Pass take to ride?
- About 74 miles. At an unhurried pace with stops that is roughly 2 hours of riding, longer if you are stopping for photographs.
- Where does Silver Thread Scenic Byway & Slumgullion Pass start and end?
- It runs between South Fork, CO and Lake City, CO. Either end works as a start; the route reads the same in both directions.
- Is Silver Thread Scenic Byway & Slumgullion Pass a twisty road?
- We count about 220 corners across 74 miles, which is flowing rather than tight.
- Is there a GPX file for Silver Thread Scenic Byway & Slumgullion Pass?
- Yes. The GPX is free, there is no account, and the planner will build a route that includes this road alongside others nearby.
Where these numbers come from
Distances and corner counts come from the route's own geometry, not from ratings or votes. Nothing here is crowdsourced and nobody paid to appear.