Mount Allison

Mount Allison is a 2,658 ft / 810 m mountain peak near Milpitas, California, United States. Based on peakery data, it ranks as the 4396th highest mountain in California and the 40656th highest mountain in the United States. The nearest peaks are Weller Peak, Monument Peak, Mission Peak, Maguire Peaks, Vista Grande, and Vargas Plateau. See the Mount Allison map, 3D fly around, and the Mt. Allison photos to get a better sense of the mountain.

Mount Allison SUMMIT LOG peakery first ascent by edg

8 members report climbing or hiking to the summit, most recently on Dec 16, 2016. Below are trip reports and shared pictures from their climbs.

Others who’ve summited Mount Allison

  • edg
  • seancasserly
  • Asaka
  • robertocampo

Routes Used trails & approaches

33% To/from Mission Peak

33% To/from Monument Peak

16% Same route back

16% Horse Heaven Trail


SNAPSHOTedit info


2,658 ft / 810 m


1,598 ft / 487 m

Height Rank

#4399 in California

#40649 in United States




California, United States

Summited by

  • Christopher
  • edg
  • seancasserly
  • Asaka
  • mj3920
  • colingregory
  • robertocampo

3d Fly AroundShow Bigger »

Nearest peaks see on map »