IceCyclesmodelled ice formation

This estimates whether ice has FORMED. It says nothing about ice QUALITY, bonding, or whether a route should be climbed.

Modelled from weather data. Not an observation of ice, and not advice.

Rocket Boy Routes

1 route in Hyalite Canyon, MT

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Ice festival

Bozeman Ice Festival — early December

The people who actually know this venue, once a year in one place.

Guidebook

The House of Hyalite, 2nd Edition (2023) by Joe Josephson

Route positions are in the guidebook and not on this site. The author walked the terrain and verified the lines; that work is theirs to sell.

The author’s site