Success at our Poker Ride! Thank you to everyone who attended. Trail Map. P a rk w a y. Green Valley Rd. There is no trail access or alternate route within Folsom Lake State Recreation Area. S o p h ia. . State Recreation Area. folsom lake trails map. Folsom Lake. Folsom Lake Crossing. Main Body. D r. F ra n c is c o. East Natoma St. The Posted Order with map of the closure area can be found here. If you took any photos please post them in the comments.