SHASTA COUNTY
Lake Shasta Caverns; Lakehead. Take a boat ride across Shasta Lake, then a scenic bus ride to the cavern entrance. Enjoy a one-hour guided tour through the caverns. Other tour options. School groups can experience the Underground Classroom. lakeshastacaverns.com. 20359 Shasta Caverns Rd. (530)238-2341 or (800)795-2283.
Subway Cave; Old Station. A great first spelunking experience for kids; the surface is mostly level & the walk is less than 1/2 mile. Bring a flashlight. fs.usda.gov/activity/lassen/recreation/otheractivities. Located 1/4 mile north of the junction of Highway 44 & 89, across from Cave Campground. (530)335-7517 or (530)336-5521.
SISKIYOU & MODOC COUNTIES
Lava Beds National Monument; Tulelake. Site of the largest concentration of lava tube caves in North America. Open year-round for self-guided exploration. nps.gov/labe/index.htm. 1 Indian Well HQ. (530)667-8113.
SOUTHERN OREGON
Oregon Caves National Monument & Preserve; Cave Junction. Ranger-led cave tours late Mar-Nov. Cave Creek Campgrounds offers 17 sites available on 1st-come, 1st-served basis. nps.gov/orca/index.htm. 19000 Caves Hwy. (541)592-2100.
