frozen waterfall
Refers to a waterfall that has frozen solid, often seen in winter. Can also refer to the phenomenon of a waterfall freezing.
In winter, this waterfall becomes a frozen waterfall.
icefall
Mountaineering term for a steep, jumbled section of a glacier, often with crevasses and seracs. Cross-referenced with アイスフォール.
See also: アイスフォール
The climbing team carefully ascended the icefall.