Ramon Lucio Park Trailhead provides direct access to the San Marcos River via stairways, making it convenient for paddlers and swimmers to enter the water. The 18.

5-acre park offers ample parking, picnic facilities, and a scenic 1/2-mile river trail, though visitors should note that water depth varies—some areas are deep requiring life jackets for children, while shallower sections exist across the bridge on the opposite bank (which can be muddy).