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Mountain biking trails

Exploration Trail

Moderate

10

riders

Exploration Trail

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

Tips

Your route passes through protected areas

Please check local regulations for:

San Bernardino National Forest

Waypoints

A

Start point

Parking

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1

9.66 km

Exploration Trail

Highlight • Trail

"Exploration Trail" is a hiking trail that was designed by children. Luckily, the trail is also open to non-motorized bikes. Advanced riders will love this downhill. And in case you …

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13.4 km

End point

Parking

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Way Types & Surfaces

Way Types

7.13 km

6.25 km

Surfaces

7.13 km

6.25 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (2,230 m)

Lowest point (1,840 m)

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Weather

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Today

Sunday 5 July

25°C

11°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

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Frequently Asked Questions

Is the Exploration Trail suitable for beginners?

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.

What is the terrain like on this trail?

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.

What kind of views can I expect along the route?

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.

How do I access the trailhead and what are the parking options?

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.

Are there any permits or fees required to ride the Exploration Trail?

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.

Is the Exploration Trail dog-friendly?

Yes, dogs are permitted on the trail, but they must be kept on a leash at all times.

What is the best time of year to mountain bike this trail?

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.

Does the trail intersect other well-known paths?

Yes, the route also passes through sections of the Mill Peak Road, Mill Peak Spur, Dry Creek Trail, and Keller YP03 Road.

What is the primary direction of travel on the trail?

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.

What makes the Exploration Trail unique?

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.

Are there any specific highlights along the route?

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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