Seven volunteer fire departments fought a major blaze at Smoke Hole Caverns Restaurant and Gift Shop into Wednesday morning.

The cavern entrance is nearby.

Firemen returned to a second fire at the site, with the local fire chief indicating appearances of arson.

The state Fire Marshal's Office and Grant County Sheriff's Department are investigating.

Smoke Hole Caverns is a privately owned tourist attraction.

Co-owner Jerry Lee Hedrick, 60, was sentenced to 2-10 years in prison after being convicted on charges that he sexually abused a former female worker at Smoke Hole Caverns.

Hedrick is currently in the Potomac Highlands Regional Jail.