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A skilled ice climber repels down an icy face to then climb back up at the Ouray Ice Park Jan. 11, 2019. (Andy Cross, The Denver Post)

Ice climbers head to the upper section to climb human-made ice cliffs at the Ouray Ice Park Jan. 11, 2019. (Andy Cross, The Denver Post)

Human-made icicles hang off cliffs at the Ouray Ice Park Jan. 11, 2019. (Andy Cross, The Denver Post)

An ice climber and their rope needed for technical ice climbing at the Ouray Ice Park Jan. 11, 2019. (Andy Cross, The Denver Post)

Even prayer flags had icicles hanging off of them for ice climbers to view at the Ouray Ice Park Jan. 11, 2019. (Andy Cross, The Denver Post)

Skilled ice climbers head up a huge vertical, human-made ice cliff known as the Pic o' the Vic section at the Ouray Ice Park Jan. 11, 2019. (Andy Cross, The Denver Post)

Ice climber Rachel Nelson, from Moab Utah, uses her ice tools to get a firm hold on the huge, human-made ice cliff known as the Pic o' the Vic section at the Ouray Ice Park Jan. 11, 2019. (Andy Cross, The Denver Post)