Rib Mountain, as seen from downtown Wausau
|Elevation||1,924 ft (586 m) NAVD 88|
|Prominence||723 ft (220 m)|
|Location||Marathon County, Wisconsin, U.S.|
|Topo map||USGS Wausau West|
|Age of rock||1.5B years|
Rib Mountain, also known as Rib Hill, is a glacially-eroded monadnock in central Wisconsin, located in the Town of Rib Mountain in Marathon County. Composed of quartzite covered with a softer syenite sheath, it was intruded about 1.5 billion years ago.
Rib Mountain is almost 4 miles (6.4 km) long and peaks at 1,924 feet (586 m) above sea level and 760 feet (230 m) above the local terrain, making it the point with the greatest difference in height from peak to surrounding terrain in the state of Wisconsin. The Rib River and Little Rib River are nearby.
Rib Mountain is home to the Rib Mountain State Park and the Granite Peak Ski Area. The peak is also the site of transmitters for radio and TV stations in the Wausau area, and is the namesake for Wisconsin Public Television's WHRM-TV (Channel 20) and WHRM-FM (90.9), Wisconsin Public Radio's news and classical network station for the area.
It also makes room for the transmitter at the top for WIFC.
When the ski area opened on the slopes of Rib Mountain in 1937, it was one of the first ski areas in North America. Stowe Mountain Resort in Vermont had opened a few years earlier in 1934. Sun Valley in Idaho had become the nation's first ski area in the western states in 1936.
- Rib Mountain State Park
- Friends of Rib Mountain State Park
- A Geological History of Rib Mountain (University of Wisconsin-Marathon County)
- RibMountain.com Site about Rib Mountain
- "Rib". NGS data sheet. U.S. National Geodetic Survey. Retrieved 2011-04-05.
- "Rib Mountain, Wisconsin". Peakbagger.com. Retrieved 2011-04-05.
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