On Lake Buchanan, the largest in the Highland Lakes chain. The park is right next door to Black Rock Park, which is an LCRA park.
The county park is free, and provides a free boat ramp and a small beach and portapotties. Picnic tables are available. For camping you have to go to Black Rock and pay a fee.
Cache is a camoed beverage powder tube, well hidden. Tube contains a pencil.