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Irving Glacier

Irving was an east facing small glacier on the south side of Middle Sister that is now a stagnant ice mass. It recently stagnated, potentially in response to the low snow year and hot summer of 2015.


Latitude: 44.136

Longitude: -121.779

Aspect: 143.6

Head (m asl) 1950s: 2590

Terminus (m asl) 1950s: 2320

Area (km^2) 1950s: 0.163

Head (m asl) 2020s: -

Terminus (m asl) 2020s: -

Area (km^2) 2020s: 0

Status: stagnant 

Last observation: 2020

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