Harney Peak is the highest mountain in South Dakota, located in Black Hills National Forest. The peak is also the highest point east of the Rocky Mountains. An abandoned fire lookout tower is situated on the summit. A topographical summit is a point on a surface which is higher in elevation than all points immediately adjacent to it. ... This article is about longitude and latitude; see also UTM coordinate system Map of Earth showing lines of latitude (vertically) and longitude (horizontally); large version (pdf) The geographic (earth-mapping) coordinate system expresses every horizontal position on Earth by two of the three coordinates of a spherical coordinate system which... State nickname: The Mount Rushmore State Other U.S. States Capital Pierre Largest city Sioux Falls Governor Mike Rounds Official languages English Area 199,905 km² (17th)  - Land 196,735 km²  - Water 3,173 km² (1. ... The United States of America — also referred to as the United States, the U.S.A., the U.S., America, the States, or (archaically) Columbia—is a federal republic of 50 states located primarily in central North America (with the exception of two states: Alaska and Hawaii). ... Example of a topographic map with contour lines Topographic maps, also called contour maps, topo maps or topo quads (for quadrangles), are maps that show topography, or land contours, by means of contour lines. ... The United States Geological Survey (USGS) is a scientific agency of the United States government. ... The most general definition of mountain range is a group of mountains bordered by lowlands. ... The Black Hills is a small, isolated mountain range rising from the Great Plains of North America in western South Dakota and extending into Wyoming. ... In climbing, a first ascent (FA) is the first climb to reach the top of a mountain, or the first to follow a particular climbing route. ... Southern and northern Mount Everest climbing routes as seen from the International Space Station. ... Many beautiful natural scenes are only accessible if one is willing to hike to get to them. ... Mount Cook, a mountain in New Zealand A mountain is a landform that extends above the surrounding terrain in a limited area. ... State nickname: The Mount Rushmore State Other U.S. States Capital Pierre Largest city Sioux Falls Governor Mike Rounds Official languages English Area 199,905 km² (17th)  - Land 196,735 km²  - Water 3,173 km² (1. ... Rocky Mountain National Park (photo courtesy of NPS) View of Colorado Rockies. ...

The top can be reached by following the trails either from Sylvan Lake or Horse Thief Lake. The hike from Sylvan Lake to the summit and back is about 6 miles (10 km). Harney Peak is located within the Black Elk Wilderness area. No permit is required for use of the trail, although the National Forest Service asks (at a self-service kiosk) that you register to obtain a free permit upon entering the Black Elk Wilderness area, en route to the summit. Sylvan Lake can refer to: Sylvan Lake, Alberta Sylvan Lake, Michigan This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ...