FATMAP difficulty grade
Kirby’s, or sometimes Kirby’s Gym, is a sweet pocket in the trees between North Face and the lower part of Treskow, To get there, take Treskow.
When it begins to open up, cut to the left and peek through the trees that border the length of the wide section.
You won’t have to go far, so if you feel like you’ve gone too deep into the trees, you might have gone over the top of it.
How high you can enter depends on how much snow there is.