The Allalinhorn is a mountain in the Pennine Alps in Switzerland. It lies between Zermatt and Saas-Fee in the canton of Valais, and is part of the Mischabel range, which culminates at the Dom. It was first climbed by London barrister Edward Levi Ames, a member of the Imseng family and Franz-Josef Andenmatten on 28 August 1856.