Head south on US-151 toward Dodgeville. At Dickeyville, exit onto US-61 north. At WI-133 take a left, heading west. At Cassville, turn left on CR-VV. Stonefield will be on your left, about one mile past Cassville, across from Nelson Dewey State Park. See more directions and map.
Convenient van and bus parking is available. There is a drop-off area right in front of the site.