Crystal Cave 54 mi
A cave in Sequoia National Park visited on a 50-minute guided tour along a half-mile loop inside the cave.
Sequoia National Park, CA, 50°F inside
Caves near Fresno, CA
6 show caves with public tours within 150 miles of Fresno. The closest is Crystal Cave, about 54 miles away, and 2 are within 60 miles.
Distances are straight-line miles from downtown Fresno; driving takes longer. Tour details checked 2026-10-22 against each cave's own site.
Boyden Cavern 54 mi
A seasonal cave on Highway 180, 19 miles east of Grant Grove, reached by a short, steep walk; open late April to early November depending on the road and weather.
Kings Canyon, CA, 55°F inside
Moaning Cavern 99 mi
A cave you descend by a ten-story spiral staircase on a 45-minute tour, with half-day belly-crawling expeditions for the adventurous.
Vallecito, CA, 61°F inside, from $27.56
Mercer Caves 104 mi
A California cave with 45-minute guided tours, open daily in summer and Thursday to Monday the rest of the year.
California, from $24
California Caverns 109 mi
A cave near San Andreas, off Highway 49, with the Trail of Lights walking tour and a Trail of Lakes tour, about 60 steps on the main route.
Mountain Ranch, CA, 54°F inside, from $24
Black Chasm 126 mi
A cavern in Volcano, California, off Highway 88 near Pine Grove, viewed from three platforms linked by five flights of stairs.
Volcano, CA, 58°F inside, from $24