I-81 S to Chilhowie Exit 35. Right off exit onto VA-762 which becomes VA-107. Continue 8 miles, left onto Main for 1/10 mile, 1st right on Allison Gap Road for 1.5 miles. Sign for Back Hollow road is on right, just after 1269 Allison Gap Rd. Back Hollow is just a grass trail leading to property behind house at 1269.