Sea level to 13,679 in a day: Atop Mauna Loa

On the summit of Mauna Loa

View into Mauna Loa crater

Distant view of Haleakala on Maui peeking through the clouds

Mauna Kea

Exhausted and a bit lightheaded, I crested the summit after 6 miles
and 2500 feet of elevation. Back down soon. The weather is crystal
clear.