Rock Creek Park Swimming Hole

Rock Creek Park is a large urban park that bisects the Northwest quadrant of Washington, D.C. Created by Act of Congress in 1890, the park comprises 1,754 acres, generally along Rock Creek, a tributary of the Potomac River.
  • Location: Washington, D.C., U.S.
  • Nearest city: Washington, D.C.
  • Area: Over 2,000 acres (3 sq mi; 8 km²)
  • Established: September 27, 1890
  • Built: 1820s (Peirce Mill) · 1897–1912 (Park facilities)
  • Architect: Frederick Law Olmsted Jr., John Charles Olmsted
  • Architectural style: Late 19th and 20th Century Revivals, Early Republic, and NPS Rustic
Data from: en.wikipedia.org