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