9 hours round trip. We took both the subway and ice caves detours, which are a bit of a grovel in places, waited out rain in the hut, and descended the wet Airline trail, which was a long 3.5 miles from the hut. This is a really nice, scenic, and strenuous loop.
"As an adolescent I aspired to lasting fame, I craved factual certainty, and I thirsted for a meaningful vision of human life - so I became a scientist. This is like becoming an archbishop so you can meet girls."