- From Highway 9, head north on WA 542 (near Deming).
- Turn right on Mosquito Lake Road (at the convenience store).
- Cross the North Fork Nooksack River bridge.
- Turn left on North Fork Road.
- Keep driving when you read the end of the paved road.
- When you reach a clearing and bridge, you have reached Racehorse Creek.
- Turn right and continue up the gravel logging road.
- Watch for the left-side turn, where you can park and walk to the fields.
- The Fossil Fields is a special place.