National Park Service Shenandoah National Park Website: Provides information about the park and the proposed rock outcrop management plan.

Great Falls Park General Management Plan: Read it & form your own opinion!   (Or see "Documents" area of this website for a local copy on our server.)

DC Metro Climbing website  Founded by Thomson Ling in 2002 who later partnered with Ocean Eiler in 2006, this pair wanted to provide the DC climbing community with a source for climbing information and climbing access issues in the Washington DC Metro Area.

PATC Mountaineering Section Website: The website of the Potomac Mountain Club, a section of the Potomac Appalachian Trail Club.  Additional Great Falls information is posted on this site.

National Park Service Management Policies: provides links to relevant documents on the NPS website.

Virginia Natural Heritage Program, species database: search under Potomac River-Catoctin, then Potomac River/Difficult Run to see Great Falls species list.

National Park Guide, Facilities by Topic: check "climbing" box for a list of parks with climbing areas. Some park websites may link to climbing management plans or climbing regulations.