The cave can be as cool as 42 degrees, even in the summer, and there may be some ice inside ... located near Flagstaff, according to the Coconino County Sheriff's Office. Before he went missing ...

Lava River Cave is located almost 20 miles northwest of downtown Flagstaff off of U.S. Route 180. Visiting is free. Although the cave is open year-round, roads may close in winter, particularly in ...