Top 6 Caves in Siskiyou County
Best caves in Siskiyou County are primarily ancient lava tubes, shaped by significant volcanic activity. This Northern California region, particularly around Lava Beds National Monument, offers a diverse underground landscape. The area's geology provides a range of caving experiences, from accessible walks to challenging explorations.
Best caves in Siskiyou County
- The most popular caves is Hedge Creek Falls, a waterfall with a cave behind the falls. This attractive waterfall is located a short distance from the trailhead.
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Last updated: April 26, 2026
3-Level Ice cave - West Exit
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Hopkins Chocolate Cave
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Sunshine Cave
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Sentinel Cave (lower entrance)
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Hercules Leg Cave
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Hedge Creek Falls
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Tips from the Community
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.
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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.
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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.
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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.
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Attractive waterfall in just a half-mile distance from the trailhead, just before it flows into the Sacramento River. Best at spring/early summer flow, it thins out later in the season. Cool Cave behind the falls.
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Ice-skating in hot summer deep underground in a volcanic lava cave? Yes, while it is over 100ยฐF outside, some caves here preserve cold winter temperatures long into the summer, some throughout the year. This cave with a steep descent deep into a 7000 year-young lava tube cave, reaching down three levels, with large icicles and and underground frozen lake on the lowest level. The cave was formed by volcanic gas bubbling through liquid lava dunging the last eruption of a Modoc cascade volcano, and connects underground to the western side of Medicine Lake Road (highway 49). Warning: None of the many caves here have any signage or guidance, many are long with multiple confusing branches, narrow crawl/climbing sections, sudden deep drops, loose rock, water and ice underground. Only teams of experienced cavers with the right equipment should attempt exploration.
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Frequently Asked Questions
What are the best caves for beginners in Siskiyou County?
For beginners, Pluto's Cave offers an accessible experience with a mile-long out-and-back route and no elevation gain. Within Lava Beds National Monument, Mushpot Cave is an excellent option as it's the only lighted cave and features informative signs about geology.
Are there family-friendly caves in Siskiyou County?
Yes, Pluto's Cave is considered easy and suitable for families. Within Lava Beds National Monument, Mushpot Cave is lighted and ideal for beginners and families. Hedge Creek Falls also features a cave behind the waterfall, which is a family-friendly attraction.
What permits are required to explore caves in Siskiyou County?
Permits are required for exploring caves within Lava Beds National Monument and can be obtained from the Visitor Center. Pluto's Cave does not require a permit for entry.
What should I wear and bring when visiting caves in Siskiyou County?
It's essential to dress warmly, as cave temperatures can be significantly cooler than outside, even in summer. Wear proper closed-toe shoes with good grip. Always bring multiple light sources, such as headlamps and flashlights, with extra batteries. For longer explorations, especially in Lava Beds National Monument, carry plenty of water and snacks.
What unique geological features can be found in Siskiyou County caves?
Siskiyou County's caves are primarily ancient lava tubes, showcasing formations from volcanic activity. You can find massive chambers in Pluto's Cave, and within Lava Beds National Monument, Skull Cave features a unique ice floor that can persist year-round. Hopkins Chocolate Cave is known for its rich brown lava formations resembling melted chocolate.
Are there challenging caves for experienced cavers in Siskiyou County?
Yes, Lava Beds National Monument offers several challenging caves. Hopkins Chocolate Cave requires crawling in deeper areas due to passages less than 3 feet high. Hercules Leg Cave and Catacombs Cave are also noted for being challenging, with passages under 2.5 feet high in some sections.
What is the best time of year to visit the caves in Siskiyou County?
Caves can be visited year-round, but conditions vary. Summer offers a cool escape from the heat inside the caves. However, some caves, like Skull Cave, maintain ice floors even in summer, so dressing warmly is always advised. Winter access to some remote areas might be affected by snow, especially in Lava Beds National Monument.
Are dogs allowed in the caves of Siskiyou County?
Generally, dogs are not permitted inside the caves themselves due to the delicate ecosystems and safety concerns. It's best to check specific regulations for each cave or monument, such as Lava Beds National Monument, before planning your visit with pets.
What outdoor activities can I do near the caves in Siskiyou County?
Beyond caving, Siskiyou County offers a variety of outdoor activities. You can find numerous MTB trails, waterfall hikes, and road cycling routes throughout the region. Popular hiking trails include the Middle Falls of the McCloud River Trail and the Hedge Creek Falls Trail.
Where can I find accommodation or food near the caves?
For Pluto's Cave, the nearby town of Weed offers various amenities. Lava Beds National Monument is more remote, so it's advisable to bring your own food and drinks. Accommodation and dining options are available in surrounding towns, but plan ahead due to the monument's isolated location.
What is the difference between Pluto's Cave and the caves at Lava Beds National Monument?
Pluto's Cave is a single, large, partially collapsed lava tube near the town of Weed, offering an easy, self-guided exploration without a permit. Lava Beds National Monument, located in rural East Siskiyou, is home to over 800 lava tubes, offering a diverse range of experiences from easy to challenging, and requires permits from the Visitor Center.
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