A circuit of the volcanic complex can be made by turning off Highway 183 onto Elroy Road (to the right) and following Elroy Road to the intersection with Bluff Springs Road, where a left turn leads back to Highway 183.
A circuit of the volcanic complex can be made by turning right off Highway 183 onto Dee Gabriel Collins Road and heading west to the intersection with McKinney Falls Parkway. Turn left and follow the Parkway to the intersection with Colton Bluff Springs Road, where a left turn leads back to Highway 183.