The Rimpfischhorn (4,199 m) is a mountain in the Pennine Alps of Switzerland. Along its north ridge lies the prominent sub-peak Grosser Gendarm (4107 m). The first ascent of the mountain was by Leslie Stephen and Robert Living with guides Melchior Anderegg and Johann Zumtaugwald on 9 September 1859. Their route of ascent was from Fluh Alp via the Rimpfischwänge.
