On I-81, North or South: Take Exit 235 onto Route 256, travel East on SR 256 for approximately 6 miles [Left if traveling South on I-81, Right if traveling North on I-81] toward Grottoes, VA. At the intersection of Dogwood Avenue, turn right onto Dogwood Ave. Travel south on Dogwood Ave. for 1,000 feet Turn Right into the entrance of Grand Caverns.
On US 340, North or South: At the Grottoes intersection of SR 256, travel West [turn Right if traveling South, turn Left if traveling North] for 1,200 feet. At the intersection of SR 256 and Dogwood Ave. turn Left onto Dogwood Ave. for 1,000 feet. Turn Right into the entrance of Grand Caverns.
On I-64: Take the Route 340 North exit travel North on SR 340 for approximately 12 miles, then follow the US 340 instructions above.