Sunken amid the rolling hills of Willmore Park, the manmade South Lake proves that public parks are good for more than just public drunkenness and public sex (though examples of both activities might occasionally be encountered here). Anglers of all stripes set up on the shore or the concrete dock, catching and releasing bass, catfish and the errant crappie. To call the lake "murky" would be akin to calling River Des Peres "fragrant"; the green water offers low visibility, though a mighty pipe keeps the water circulating with priapic force. No, you're not going to catch tonight's dinner at South Lake. But this mini-oasis near the intersection of Hampton and Jamieson avenues is a terrific place to cast in your line and cast off your cares.