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