Natural monuments in Siskiyou County, located in Northern California, showcase a diverse range of geological formations, forests, and waterways. This region is characterized by towering peaks, ancient lava tubes, and granite spires. These significant natural features offer opportunities for outdoor activities and exploration.
Last updated: April 25, 2026
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Popular around Siskiyou County
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The Faery Falls is a beautiful waterfall that cascades into a large pool, surrounded by lush forest and moss-covered cliffs. You reach this waterfall via a short, easy hike through the forest past the ruins of an old retreat center, Ney Springs Resort, which used the water for healing sickness in the 19th and early 20th centuries. Once you reach a fork in the trail you can take the left branch to get to the base of the falls or the right one to get to a nice overlook of the canyon. This is a must visit if in the area.
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Though it might pale in comparison to Mount Shasta's grandeur, Black Butte is still a prominent landmark in southern Siskiyou County and it definitely captivates drivers with its conical shape as they approach it on Interstate 5. Hiking it to the top will allow you to get acquainted with its particular surface formed from viscous lava and it will also unveil the well-kept secret of its lush northern valley.
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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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The Living Memorial Sculpture Garden rests upon the northwestern slope of Mt Shasta, 13 miles north of the City of Weed, on Hwy 97 in Siskiyou County on 136 acres of land provided by the USDA Forest Service, which were replanted with tens of thousands of trees by countless volunteers. The trees are living tribute to those who have sacrificed their lives in war. The sculpture garden, a place for reflection & remembrance, healing & reconciliation, pays homage to all honorable veterans, in conflict and in peace. Founded by a group of veterans in 1988, today, the Garden is maintained by the Kiwanis Club of Weed/Lake Shastina. https://www.lmsgarden.org
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You can still smell the strong sulphur in the steam venting out from several locations on the plateau, but there is currently not enough water rising to form a pool. Over a hundred years ago John Muir apparently saved himself and a companion by lying on the heat from the steam when forced by weather to overnight on the plateau without a tent or sleeping bag, but that wouldn't be enough heat currently. Several simple stone wall circles provide some limited wind protection.
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In the fall you can literally hike up to the summit of this tallest free-standing mountain in the lower US via the eastern route without climbing or any snow. The standard Avalanche Gulch route would be too dangerous without snow due to frequent life-threatening rockfall.
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Impressive waterfall deep below the Falls Trail which leads along the rim. A deep pool invites for swimming below the waterfall, while very high cliffs on the western side are used by some fearless cliff jumpers.
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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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Siskiyou County boasts a diverse range of geological wonders. You can explore the ancient lava tubes at 3-Level Ice cave - West Exit and Lava Beds National Monument, marvel at the granite spires of Castle Crags, or witness the grandeur of Mount Shasta, an active volcano. The region also features the unique Medicine Lake Shield Volcano, the largest by volume in the Cascade Range.
Yes, Siskiyou County is known for its extensive cave systems, particularly at Lava Beds National Monument, which has over 700 caves, including accessible lava tubes like Skull Cave and Golden Dome. For a more challenging experience, explore the 3-Level Ice cave - West Exit, which preserves cold temperatures and features an underground frozen lake. Pluto's Cave near Weed offers an accessible caving experience suitable for beginners.
The McCloud Falls are a must-see, featuring three distinct tiers: Lower, Middle, and Upper Falls. Middle McCloud Falls is particularly popular for swimming. Another easily accessible waterfall is Hedge Creek Falls in Dunsmuir, where you can walk behind the cascade. You can also visit Faery Falls, a family-friendly waterfall.
Hiking opportunities range from easy to challenging. Castle Crags State Park offers 28 miles of trails for various skill levels, with stunning views of granite formations. For a challenging ascent, consider the Mt Shasta summit ๐ (4321m), or the standard Avalanche Gulch route. Easier options include the McCloud Waterfalls Trail or the Lake Siskiyou loop. You can find more hiking routes in the Hiking in Siskiyou County guide.
Many natural monuments in Siskiyou County are family-friendly. McCloud Falls offers easy access to its lower tiers, and the Lava Beds National Monument has caves suitable for various exploration levels. Faery Falls is also noted as family-friendly. Pluto's Cave provides an accessible caving experience without tight spots, making it good for beginners.
Lava Beds National Monument is rich in history, featuring Native American rock art sites and historic battlefields from the Modoc War. An audio driving tour is available to highlight these significant hotspots. Mount Shasta also holds spiritual significance for many and is a major landmark for the region.
Beyond hiking and caving, you can enjoy a variety of outdoor activities. Lake Siskiyou is perfect for kayaking and offers reflective views of Mount Shasta. Kangaroo Lake is ideal for canoeing and bird watching in a tranquil setting. The McCloud Falls area is popular for swimming and cliff jumping. For more ideas, explore the Hiking in Siskiyou County or Running Trails in Siskiyou County guides.
For a more serene experience, consider visiting Kangaroo Lake, known for its undisturbed waters and tranquility, ideal for canoeing and bird watching. The Russian Wilderness, located within the Klamath National Forest, is another less crowded area, offering exceptional biodiversity and old-growth forests, perfect for nature enthusiasts and botanists.
Siskiyou County offers year-round activities. Mount Shasta is popular for skiing in winter and hiking in summer. Lava Beds National Monument can be explored throughout the year, with its caves offering a cool escape in summer. Summer and early fall are generally excellent for hiking and water activities at places like McCloud Falls and the various lakes.
The Russian Wilderness, within the Klamath National Forest, is renowned for one of the richest conifer assemblages on Earth, boasting 18 documented species in a small area around Little Duck Lake. This makes it a prime destination for botanists and nature lovers interested in unique ecosystems and old-growth forests.
Visitors frequently praise the stunning landscapes and diverse activities. Many enjoy the unique experience of exploring lava tube caves, the refreshing swim spots at waterfalls like Middle McCloud Falls, and the breathtaking views from peaks like Black Butte Summit. The grandeur of Mount Shasta and the tranquility of places like Kangaroo Lake are also highly appreciated.
Yes, Siskiyou County is home to volcanic activity. You can find Sulphur Hot Springs, offering a natural thermal experience. The region is also dominated by volcanic landscapes, including the active Mount Shasta and the massive Medicine Lake Shield Volcano, providing insight into significant geological processes.


Find even more amazing natural monuments in Siskiyou County by checking out the top Highlights region by region:
Extend your search for the best caves by checking out these guides of the top ones in Siskiyou County: