Description: Oak Point Park and Nature Preserve, Plano's largest park, is an 800 acre park extending from Parker Road on the south to Chaparral Road on the north and from Spring Creek Parkway on the west to Los Rios Boulevard on the east. The park boasts 3.5 miles of concrete trails and 5 miles of soft surface trails located along Rowlett Creek. Nature trails are open from sunrise to sunset daily.