Friedrich Wilderness Park lies at the southern end of the Texas Hill Country. The park is hilly due to its location on the Balcones escarpment that separates the Texas Hill Country from the flat South Texas region.
Wikipedia https://en.wikipedia.org/wiki/Friedrich_Wilderness_Park
Official Website https://www.sanantonio.gov/ParksAndRec/ParksFacilities/ParksFacilitiesDirectory/ParksFacilitiesDetails/TabId/3354/ArtMID/14820/ArticleID/2649/Friedrich.aspx?Park=76
Page on San Antonio official website http://www.sanantonio.gov/parksandrec/directory_friedrich.aspx
Phone +1 210 698 1057
Coordinates 29°38'7.016" N -98°38'10.498" E