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