From Alturas go south on US Hwy 395 approximately 18 miles to Likely, CA. Turn east on County Road 64/Jess Valley Rd and go 3.2 miles to Blue Lake Road. Turn right on Blue Lake Road/ County Rd 64 and continue approximately 7 miles to the turnoff for Blue Lake. Turn left and stay on County Road 64 (instead of a right turn to Blue Lake) and continue 8 more miles of windy road to the Patterson Campground and Guard Station.