[3] The peak is situated in the Taku Range of the Juneau Icefield, 22 mi (35 km) north of Juneau, and 1 mi (2 km) north of Taku Towers, on land managed by Tongass National Forest.

[3] Based on the Köppen climate classification, Cathedral Peak is located in a subpolar oceanic climate zone, with long, cold, snowy winters, and cool summers.

[4] Weather systems coming off the Gulf of Alaska are forced upwards by the Coast Mountains (orographic lift), causing heavy precipitation in the form of rainfall and snowfall.

Temperatures can drop below −20 °C with wind chill factors below −30 °C.

The month of July offers the most favorable weather to view or climb Cathedral Peak.