The Tieralplistock (3,383 m) is a mountain of the Urner Alps, located on the border between the Swiss cantons of Bern and Valais. It lies between the Trift Glacier and the Rhone Glacier, just east of the lake of Gelmer. Between the Diechterhorn and the Tieralplistock is a slightly higher unnamed summit (3,388 m). References External links Tieralplistock on Hikr Mountains of the Alps Alpine three-thousanders Mountains of Switzerland Mountains of the canton of Bern Mountains of Valais Bern–Valais border