Timpanogos Cave Trail & Cave Tour (Timpanogos Cave National Monument, UT)

Timpanogos Cave, Timpanogos Cave National Monument, June 2022 Nestled high above American Fork Canyon in northern Utah’s Wasatch Range, three limestone caves—connected today by man-made tunnels—are the prime attractions of Timpanogos Cave National Monument, a popular park in the Salt Lake City/Provo area. Discovered around the turn of the 20th century, the three caves were …

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Balconies Cliffs – Balconies Cave Trail Loop (Pinnacles National Park, CA)

Balconies Cave Trail, Pinnacles National Park, March 2022 Talus caves—formed when crashing boulders fall into chasms, flooding the canyon with darkness—are an intriguing feature of central California’s Pinnacles National Park, which boasts two such pseudo-karst caverns. The most popular of the two is Bear Gulch Cave, most easily accessible from the east side of the …

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Chalone Peak Trail (Pinnacles National Park, CA)

Rising to 3,304 feet, Chalone Peak is the highest point in California’s Pinnacles National Park and a worthy challenge for peak-baggers who seek to brave the exposed sun and 2,000 feet in elevation gain to reach the summit. The Chalone Peak Trail juts off from the end of Bear Gulch Cave in the eastern section …

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Bear Gulch Cave – Rim Trail Loop (Pinnacles National Park, CA)

Sporting one of California’s finest talus caves and shoreline access to a picturesque, rock-hewn reservoir, the Bear Gulch Cave Trail is one of the most popular hikes in Pinnacles National Park. Here a jumble of boulders, so large and tightly-packed that it blankets the ground with darkness, forms subterranean passages home to a resident colony …

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Caves Trail (Craters of the Moon National Monument, ID)

Following a volcanic eruption, underground lava tubes serve as thoroughfares for draining molten lava. When the lava cools and remaining flows drain out of the tubes, the subterranean passageways remain, leaving behind caves to explore. There are several spots in the United States to see lava tubes, including Lava Beds National Monument in northern California, …

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Sentinel Cave (Lava Beds National Monument, CA)

Sentinel Cave is the longest of the “easy” caves in California’s Lava Beds National Monument, as well as one of the only lava tubes in the park with multiple entrances. Inside the cave, the roughly 2/10 mile traversed by hikers is relatively flat and wide, making this a good option for small children with an …

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Golden Dome Cave (Lava Beds National Monument, CA)

Unlike limestone caves, lava tubes are usually characterized by their drab, colorless interior. Not so with Golden Dome Cave, which sports shiny ceilings, made possible by tiny bacteria that give the lava tube a golden sheen. Golden Dome Cave is found along the Cave Loop Road in California’s Lava Beds National Monument, a volcanic paradise …

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Skull Cave (Lava Beds National Monument, CA)

Lava tubes, cavities in the earth once filled with flowing lava, are the principal attraction of northern California’s Lava Beds National Monument, which boasts the greatest concentration of them in the United States. Reaching as wide as 60 feet in diameter, Skull Cave is one of the area’s largest lava tubes and offers one of …

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Subway Cave Trail (Lassen National Forest, CA)

Northern California’s Subway Cave in Lassen National Forest is a relative newcomer to the area’s volcanic landscape; it formed less than 20,000 years ago as once-frequent lava flows drained away, leaving behind a wide, subterranean passage. Today it is a relatively popular stop on the way to or from nearby Lassen National Park, situated less …

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Hazel Falls, Hazel Cave, and White Rocks Trail Loop (Shenandoah National Park, VA)

In terms of height, Shenandoah National Park’s Hazel Falls pales in comparison to its better-known neighbors, such as South River, Lewis Spring, or Dark Hollow Falls. But tucked away in a narrow, intimate gorge littered with caves, the multi-tiered waterfall is arguably just as spectacular. The relatively easy out-and-back to the falls (from Skyline Drive) …

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