The 4-acre (1.6 ha) Oxbow Lake, initially created by flood waters, is now independent of the river and is spring fed.

The CCC built Park Road 11, a low water crossing on the San Marcos River, a water tower/storage building, refectory, and residence (currently the park headquarters), barbeque pits, picnic seating, rock pool and retention dams, rock table, culverts, concrete picnic tables, and two sets of entrance portals.

In addition to the dwarf palmetto, live oak, bur oak, honey mesquite, cedar elm, Mexican plum, Texas persimmon, red buckeye, anacua, rattan vine, Texas spiderwort, inland sea oats, trumpet creeper and poison ivy are prevalent in the park.

White-tailed deer are common throughout the park, as are raccoons, nine-banded armadillos, and fox squirrels.

Over 240 species of birds such as the pileated woodpecker, Kentucky warbler and northern cardinal have been recorded within the park's boundaries.