Ice pool
From Openwaterpedia
Vasily Mosin of Russia competing in an ice pool at the Tyumen Open Cup in Siberia in 0ºC water and -6ºC air temperatures. Photo by Nuala Moore, a fellow ice swimmer from Ireland
noun - An ice pool is a pool carved out of a frozen lake or river or an outdoor pool of 25 meters that serves as an ice swimming or winter swimming venue for either fitness, training or competitive purposes. The ice pool usually has normal lane lines and edges made of wood to allow for turns.
Usage
The ice pool was carved out of the river in the middle of the city for the International Ice Swimming Association competition.
