Yerupajá is a mountain of the Waywash mountain range in west central Peru, part of the Andes. At 6,635 metres (21,768 ft) (other sources: 6,617 m (21,709 ft)) it is the second-highest in Peru and the highest in the Waywash mountain range. The summit is the highest point in the Amazon River watershed, and was first reached in 1950 by Jim Maxwell and Dave Harrah, and its northern peak (Yerupajá Norte) in 1968 by the Wellingtonian Roger Bates and Graeme Dingle.