Treks / Cities
Hikes and treks near Denver
2 routes are within reach of Denver: 1 day hike and 1 multi-day trek. The gentlest is Four Pass Loop (hard); the toughest is Longs Peak (Keyhole Route) (very hard, 1,550 m of climbing). The highest point is 4,346 m on Longs Peak (Keyhole Route).
Compare the routes
| Route | Type | Distance | Days | Highest point | Difficulty | Best time |
|---|---|---|---|---|---|---|
| Longs Peak (Keyhole Route) | Day hike | 24 km | 1 | 4,346 m | Very hard | July to September |
| Four Pass Loop | Multi-day | 42 km | 3 | 3,810 m | Hard | July to September |
The routes in detail
Day hike
USA (Colorado) · near Denver
Longs Peak (Keyhole Route)
The highest peak in Rocky Mountain National Park, climbed by a long, exposed scramble through the Keyhole.
≈ 24 km
4,346 m high
3 days
USA (Colorado) · near Denver
Four Pass Loop
A loop around the Maroon Bells over four passes above 3,600 m, often called one of the most beautiful backpacking trips in the US.
≈ 42 km
3,810 m high
Before you go
- Check if you're fit enough with the two-minute readiness quiz.
- Travel insurance for trekking: altitude limits and what rescue really costs.
- Packing list and the gear budget calculator.
- US hiking permit lotteries explained.
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