WPNH-FM is a commercial radio station located in Plymouth, New Hampshire, broadcasting on 100.1 FM. The station identifies itself as "100.1 The Planet" and airs active rock peppered with alternative rock and, more recently, classic rock. WPNH-FM originally transmitted from a hilltop in nearby Holderness until the late 1990s when the station's transmitter was moved to the top of Tenney Mountain in Plymouth by new owners. WPNH-FM's sister stations are WFTN and WFTN-FM in Franklin, WSCY in Moultonborough, and WPNH in Plymouth. The station does not stream its signal over the internet.