Off-road or Mountain Bike
Geology Tour & Berdoo Canyon Roads, Joshua Tree National Park, California
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Geology Tour Road turns south from the paved road two miles (3.2 km) west of Jumbo Rocks Campground. It's 18 miles (29 km) round trip. It's 5 miles (8 km) one way to Paac Kü̱vü̱hü̱’k. 4-wheel drive is recommended; high clearance necessary beyond Paac Kü̱vü̱hü̱’k.
The distance from the junction to Squaw Tank is 5.4 miles (8.8 km). This section is mostly downhill but bumpy and sandy. Starting at Squaw Tank, a 6-mile (9.7-km) circular route explores Pleasant Valley. A printed guide is available at the beginning of the road.
Berdoo Canyon Road connecting the south end of Geology Tour Road with Dillon Road, this 4-wheel-drive road requires a high clearance vehicle and mounatin bikes. Mountain bikes and 4-wheel-drive vehicles are welcome in Joshua Tree National Park. It's 60.5 miles from Park Blvd to I-10.
Berdoo Canyon Road exits the park after 11.5 miles (18.4 km). The last 3.9 miles (6.24 km) to Dillon Road winds past the ruins of the Berdoo Camp, which was established in the 1930s by the builders of the California Aquaduct.
For your own safety and for the protection of natural features, stay on established roads. Tire tracks on the open desert can last for years and will spoil the wilderness experience of future visitors. Off-road vehicles and all-terrain vehicles may not be used in the park.
Backcountry camping is permitted in areas that are:
1 mile (1.6 km) from roads,
500 feet from trails and water sources,
not day-use only areas.
Before setting out into the backcountry, you must first register at one of the backcountry boards.
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