GSC Map Directions for Volcano Quarry
**Do NOT take Pine Grove or follow Google Maps, it will send drivers through residential and private properties.**
Pioneer Volcano Road is the designated Truck Route.
Take Highway 88 (Carson Pass Hwy) and turn left onto Pioneer Volcano Road.
Take Pioneer Volcano Road for 1.92 miles. A dirt road with a concrete slab on the ground will be to your left.
Take dirt road into Quarry. If you arrive at Black Chasm, you have gone too far.