10
riders
01:17
13.4km
390m
Mountain biking
Get ready for a moderate mountain biking adventure on the Exploration Trail, covering 8.3 miles (13.4 km) with a challenging 1285 feet (392 metres) of elevation gain. You can expect to complete this route in about 1 hour and 16 minutes. As you ride, you'll navigate varied terrain, including rocky…
Last updated: April 23, 2026
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Your route passes through protected areas
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Waypoints
Start point
Parking
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9.66 km
Highlight • Trail
Tip by
13.4 km
End point
Parking
Way Types & Surfaces
Way Types
7.13 km
6.25 km
Surfaces
7.13 km
6.25 km
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Elevation
Highest point (2,230 m)
Lowest point (1,840 m)
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Weather
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Sunday 5 July
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11°C
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Max wind speed: 13.0 km/h
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This route was planned by komoot.
No, the Exploration Trail is considered an advanced mountain biking trail, rated Black Diamond. It features challenging terrain with rocky sections, steep pitches, and technical trail features that require significant skill and experience.
The trail is a singletrack characterized by varied and demanding terrain. Riders will encounter big boulders, rocky sections, and steep pitches that can exceed 20% gradient. There are also technical trail features (TTFs) like rock gardens, and optional rock hops, rolls, and doubles throughout.
Riders are treated to fantastic views of the San Gabriel range and the Inland Valleys. The trail winds through forested areas and between huge boulders, offering a classic 'Big Bear vibe' with Manzanita shrubs. The scenery is often described as breathtaking.
The Exploration Trail is located near Running Springs, California. Many riders opt for shuttling to the top to enjoy the predominantly downhill ride. It's also commonly incorporated into an 8-mile loop that involves climbing a road to the beginning of the trail for a fun descent. Specific parking details may vary depending on your chosen access point or shuttle service.
As the trail is located within the San Bernardino National Forest, an Adventure Pass may be required for parking at certain trailheads. It's advisable to check the official USDA Forest Service website for the most current information on passes and regulations.
Yes, dogs are permitted on the trail, but they must be kept on a leash at all times.
The trail offers different experiences depending on the season. While generally enjoyable in milder weather, it can be covered in snow during winter, presenting a unique challenge. Always check local weather and trail conditions before heading out.
Yes, the route also passes through sections of the Mill Peak Road, Mill Peak Spur, Dry Creek Trail, and Keller YP03 Road.
The Exploration Trail is primarily ridden in a downhill direction, making it a popular choice for shuttling. While it can be ridden uphill, be prepared for a significant technical challenge, often requiring 'hike-a-bike' sections.
Its unique character, with numerous optional features like rock hops and doubles, means the trail rarely rides the same way twice, contributing to its enduring appeal. It offers a backcountry epic feel not far from urban centers.
The entire route is considered a highlight for its challenging and scenic mountain biking experience, particularly the section known as Exploration Trail itself.
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