Bat Cave Arch, Miller County, Missouri
Photo by Jay Wilbur
NABSQNO 15S-561893-4241633. Bat Cave Arch is a buttress natural arch eroded through a promontory of Gasconade dolomite. This promontory divides what appear to be two old meander channels of the Osage River. It is located near Bat Cave, about 2 miles southeast of Henley, Missouri. Bat Cave Arch appears in the second edition of the Beveridge catalog as number 257. He reports a span of 15 feet and a height of 20 feet.