Devil's Gate Dam – Gabrielino Trail (NRT) loop from Saint Francis High School
Devil's Gate Dam – Gabrielino Trail (NRT) loop from Saint Francis High School
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riders
Devil's Gate Dam – Gabrielino Trail (NRT) loop from Saint Francis High School
01:05
15.6km
180m
Mountain biking
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels. The starting point of the route is right next to a parking lot.
Last updated: May 19, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Parking
Get Directions
1.48 km
Devil's Gate Dam
Highlight • Monument
Tip by
5.59 km
Gabrielino Trail (NRT)
Highlight (Segment) • Trail
Tip by
9.38 km
Upper Arroyo Seco
Nature Reserve
15.6 km
End point
Parking
Way Types & Surfaces
Way Types
4.59 km
3.68 km
3.08 km
2.15 km
1.91 km
185 m
Surfaces
4.70 km
4.10 km
3.75 km
1.93 km
1.07 km
< 100 m
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Elevation
Highest point (450 m)
Lowest point (320 m)
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Weather
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Today
Sunday 21 June
23°C
12°C
0 %
Additional weather tips
Max wind speed: 11.0 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 seeking an accessible and varied mountain biking experience in the San Gabriel Mountains, the Devil's Gate Dam – Gabrielino Trail (NRT) loop from Saint Francis High School is a solid choice. This easy 9.7-mile (15.6 km) route packs in 596 feet (182 metres) of elevation gain, taking about 1 hour and 4 minutes to complete, making it perfect for a scenic, relatively quick ride without extreme challenges.
What to expect on Devil's Gate Dam – Gabrielino Trail (NRT) loop from Saint Francis High School
As you embark on this route, you'll find the terrain shifts from paved access roads to dirt trails, winding through the Arroyo Seco. Expect a mix of sandy spots, short rocky sections, and numerous stream crossings, most of which are rideable. While the overall loop is rated easy, the Gabrielino Trail itself is known for its diverse character, offering glimpses of the San Gabriel Mountains front range and passing under canopies of aspen and oak. It's a great option for mountain bikers who appreciate varied scenery and a ride that keeps you engaged without being overly strenuous.
Planning your visit
This loop starts conveniently near Saint Francis High School, offering straightforward access to the Gabrielino Trail. The trail is popular with hikers, campers, and equestrians, so practicing good trail etiquette and yielding to others is essential. Consider riding during cooler parts of the day or year, as parts of the trail can be exposed. Parking is generally available in the vicinity of the starting point.
Trail details
- Distance: 9.7 miles (15.6 km)
- Elevation gain: 596 feet (182 metres)
- Difficulty: easy
- Estimated time: 1 hours and 4 minutes
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