Colonel Bob Trail #851 vs Upper Gray Wolf River Trail
A side-by-side look at distance, elevation, difficulty and the best time to hike each — so you can pick the right route.
Units
| Colonel Bob Trail #851 | Upper Gray Wolf River Trail | |
|---|---|---|
| Distance | 4.1 mi7 km | 11.0 mi19 km |
| Elevation gain | 282 ft86 m | 3,973 ft1,211 m |
| Typical duration | 1 day | 2 days |
| Difficulty | — | — |
| Route type | Point-to-point | Point-to-point |
| Network | Regional | Regional |
| Country | United States | United States |
| Best time to hike | Best from July to July | Best from July to July |
| Route & GPX | Route & GPX |
Colonel Bob Trail #851 vs Upper Gray Wolf River Trail: which should you hike?
At 11.0 mi19 km, Upper Gray Wolf River Trail is the longer route — roughly 7.4 mi12 km more than Colonel Bob Trail #851 (4.1 mi7 km). If you want the bigger challenge or a longer trip, that's the one; for a shorter or first multi-day hike, Colonel Bob Trail #851 is the gentler pick. Check the elevation and best-season rows above, then open each route for the full guide and a free GPX download.