Sleepy Hollow Trailhead – Mt. Zion Trailhead loop from Quilcene National Fish Hatchery
Sleepy Hollow Trailhead – Mt. Zion Trailhead loop from Quilcene National Fish Hatchery
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Sleepy Hollow Trailhead – Mt. Zion Trailhead loop from Quilcene National Fish Hatchery
06:15
79.9km
1,740m
Gravel riding
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.
Last updated: March 22, 2026
Tips
Temporary access restrictions
Includes segments with temporary access restrictions.
After 76.9 km for 133 m
Customers only
Waypoints
Start point
Parking
Get Directions
35.4 km
Bon Jon Pass
Mountain Pass
38.6 km
Sleepy Hollow Trailhead
Highlight • Trail
Tip by
38.6 km
Mt. Zion Trailhead
Highlight • Trail
Tip by
77.1 km
Olympic National Forest Entrance Sign
Highlight • Rest Area
Tip by
79.9 km
End point
Parking
Way Types & Surfaces
Way Types
73.2 km
3.43 km
3.27 km
< 100 m
Surfaces
35.2 km
29.2 km
7.56 km
6.82 km
1.12 km
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Elevation
Highest point (1,080 m)
Lowest point (10 m)
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Weather
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Today
Thursday 11 June
18°C
7°C
0 %
Additional weather tips
Max wind speed: 9.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Description
If you're looking for a truly challenging and rewarding gravel biking adventure in the Olympic Mountains, the Sleepy Hollow Trailhead – Mt. Zion Trailhead loop from Quilcene National Fish Hatchery is definitely worth your time. This difficult 49.6-mile (79.9 km) route packs in 5720 feet (1744 metres) of elevation gain, taking around 6 hours and 14 minutes to complete, making it ideal for experienced riders seeking a serious workout and stunning views.
What to expect on Sleepy Hollow Trailhead – Mt. Zion Trailhead loop from Quilcene National Fish Hatchery
Expect a journey through varied landscapes, from the conifer forests leading to Gold Creek on the Sleepy Hollow portion to the dramatic ascent of Mt. Zion. The Mt. Zion Trail itself rewards your efforts with panoramic vistas of the Strait of Juan de Fuca, the Cascades, and the Olympic Mountains from its rocky summit. While some sections are paved, be prepared for primitive roads, chipseal, loose gravel, rocks, and potholes, especially on the steep climbs where grades can hit 15-20%. You'll need a robust gravel bike with at least 30mm wide tires, as some technical sections might even require pushing your bike.
Planning your visit
Your adventure begins at the Quilcene National Fish Hatchery, a historic site where you can even see coho salmon. Be aware that the Mt. Zion/Sleepy Hollow Trailhead requires a valid Recreation Pass for day use. There are no services for much of the route, so plan to be self-sufficient, though a resupply point for food and water may be available in Quilcene around mile 40 of a similar loop.
Trail details
- Distance: 49.6 miles (79.9 km)
- Elevation gain: 5720 feet (1744 metres)
- Difficulty: difficult
- Estimated time: 6 hours and 14 minutes
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