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Routes
Hiking trails & Routes
United States
California
Siskiyou County

Cave Loop Trail

Easy

4.8

(7974)

17,537

hikers

Cave Loop Trail

01:22

4.90km

100m

Hiking

Explore the easy 3.0-mile Cave Loop Trail in Lava Beds National Monument, featuring unique cave highlights like Hopkins Chocolate Cave.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

990 m

Hopkins Chocolate Cave

Highlight • Cave

Hopkins Chocolate Cave is one of the most challenging caves in the park. There is one passage that is less than 3 feet high, and deeper areas of the cave require crawling. Explorer E.L. Hopkins named the cave for its rich brown lava formations that look like melted chocolate.

Check in with rangers at the Visitor Center for a free permit before entering any of the caves in the park, and always follow their rules for caving safely and softly.

Tip by

2

2.01 km

Sunshine Cave

Highlight • Cave

Sunshine Cave is a moderately challenging cave to explore, with rough paths and low ceilings. The cave gets its name from two collapsed roof sections that let in sunlight. Travel with a light anyway, that sunshine doesn't reach all the dark corners!

Check in with rangers at the Visitor Center for a free permit before entering any of the caves in the park, and always follow their rules for caving safely and softly.

Tip by

3

2.41 km

Hercules Leg Cave

Highlight • Cave

Hercules Leg Cave is one of the most challenging excursions in the park. Experienced cavers can travel through passages under 2.5 feet high to connect to an exit at Juniper Cave.

Check in with rangers at the Visitor Center for a free permit before entering any of the caves in the park, and always follow their rules for caving safely and softly.

Tip by

4

3.75 km

Sentinel Cave connects all the way through from the upper entrance to a lower entrance. The main path through the cave is among the least challenging in the Lava Beds National Monument.

Check in with rangers at the Visitor Center for a free permit before entering any of the caves in the park, and always follow their rules for caving safely and softly.

Tip by

B

4.90 km

End point

Parking

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Way Types & Surfaces

Way Types

3.12 km

1.05 km

727 m

Surfaces

3.34 km

1.37 km

191 m

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Elevation

Elevation

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

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Weather

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Today

Saturday 16 May

14°C

2°C

0 %

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Max wind speed: 28.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where is the Cave Loop Trail located?

This easy hiking trail is located within the Lava Beds National Monument in Northern California. It's a popular route for exploring some of the monument's unique lava tube caves.

What are the main attractions along the route?

The trail is named for the several fascinating lava tube caves it passes. You can explore Hopkins Chocolate Cave, Sunshine Cave, Hercules Leg Cave, and the Sentinel Cave (lower entrance). Each offers a unique caving experience.

Is the trail suitable for beginners or families with children?

Yes, the Cave Loop Trail is rated as easy, making it suitable for beginners and families with children. The relatively short distance and minimal elevation gain contribute to its accessibility. However, exploring the caves requires some agility and appropriate gear.

What is the best time of year to hike this trail?

The Lava Beds National Monument area can experience extreme temperatures. Spring and fall generally offer the most pleasant weather for hiking and caving, with milder temperatures. Summers can be very hot, and winters can bring snow, potentially impacting trail and cave access.

Are dogs allowed on the Cave Loop Trail?

No, pets are generally not allowed on trails or inside caves within Lava Beds National Monument to protect wildlife and natural resources. Service animals are permitted.

What are the entrance fees or permit requirements for Lava Beds National Monument?

Lava Beds National Monument charges an entrance fee. This fee provides access to the monument for a set number of days. Specific permits are not typically required for day hiking the Cave Loop Trail, but always check the official NPS website for the most current fee schedule and regulations.

What should I bring for a hike on this trail, especially for caving?

For hiking, bring water, sturdy shoes, and sun protection. For exploring the caves, a reliable light source (headlamp or flashlight) for each person is essential, as some caves are completely dark. A helmet is also highly recommended for safety in the caves.

Is there parking available at the trailhead?

Yes, parking is available at the Cave Loop Trailhead within Lava Beds National Monument. The trail is designed to be easily accessible by car.

What is the terrain like on the Cave Loop Trail?

The trail itself is generally well-maintained and easy to navigate. However, the terrain inside the lava tube caves can be uneven, rocky, and slippery, requiring careful footing and sometimes stooping or crawling in tighter sections.

Are there any facilities or amenities nearby?

Lava Beds National Monument has a visitor center where you can find restrooms, water, and information. There are also campgrounds within the monument. For cafes, restaurants, or extensive accommodation, you would need to travel to nearby towns outside the monument.

How long does it typically take to complete the Cave Loop Trail?

The trail is approximately 4.9 kilometers (3 miles) long and typically takes about 1 hour and 20 minutes to complete, not including time spent exploring the caves. Allow extra time to fully experience each cave.

Nearby routes

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1

Sentinel Cave Loop

00:15h

912m

0m

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