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Mt Thompson N couloir of E ridge: winter / early spring approach
3.4
mi
5.5
km
Length
3,735 ft
1,138 m
Ascent
0 ft
0 m
Descent
Not a normal hiking trail -- usually done only with good snow cover and safe avalanche conditions on skis or snowshoes (often with crampons and ice axe).
Start near SE end of South Lake - around (GPS latitude longitude approx N37.1579 W118.5724). Start up along the left (west) of the two inlet creeks of the Lake, at first up SSW. Next around (N37.1537 W118.5771), bear right up from drainage SW on steeper slope, next curve further R to contour across sub-ridge around (N37.1541 W118.5831). Now go a long ways gentle SW in wide drainage, aiming roughly toward Mt Thompson, until reach the base (N37.141 W118.605) of a north-facing couloir leading up toward the east end of the summit ridge of Mt Thompson. There is more than one gully/couloir, so can choose. Couloir might have a big cornice or be very icy / hard near its top (due to exposure to wind and deposition of snow from wind). If make it to the top, then it's gentle normally easy to the summit of Mt Thompson (N37.1429 W118.6135).
Start near SE end of South Lake - around (GPS latitude longitude approx N37.1579 W118.5724). Start up along the left (west) of the two inlet creeks of the Lake, at first up SSW. Next around (N37.1537 W118.5771), bear right up from drainage SW on steeper slope, next curve further R to contour across sub-ridge around (N37.1541 W118.5831). Now go a long ways gentle SW in wide drainage, aiming roughly toward Mt Thompson, until reach the base (N37.141 W118.605) of a north-facing couloir leading up toward the east end of the summit ridge of Mt Thompson. There is more than one gully/couloir, so can choose. Couloir might have a big cornice or be very icy / hard near its top (due to exposure to wind and deposition of snow from wind). If make it to the top, then it's gentle normally easy to the summit of Mt Thompson (N37.1429 W118.6135).
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