State Route 306 (SR 306) is a state highway in northern Nevada, USA. It connects the mining area of Gold Acres in Lander County to Interstate 80 (I-80) at the Beowawe Interchange near Beowawe in Eureka County via Crescent Valley. The road has been a state highway since the 1920s, having been established as part of a much longer State Route 21 by 1929.