Mountaineering - Danger (Regine)

In front the white gleam of waterfalls broke the sombre ranks of climbing trunks. Weyman, Stanley J.

Weight lifting, yoga, bicycling, running and walking or hiking.

In the mountains, Mr. Sherpa can spend months trekking over glaciers and negotiating ice falls and treacherous crevasses at nosebleed heights. New York Times (Jan 21, 2012)

After passing on one field because the balloon did not have enough altitude for a safe jump, Mr. Ristaino adjusted his altitude. New York Times (Mar 20, 2012)

Twelve Indian soldiers were killed, 4 injured and 7 more are missing after two avalanches in Kashmir buried military camps on Wednesday evening. New York Times (Feb 23, 2012)

Now commenced in earnest preparations for an Arctic winter. Mudge, Zachariah Atwell

It began raining that evening, finally turning into a fine snow, and by morning a genuine South Dakota blizzard was raging. Micheaux, Oscar

Full of hazard; attended with risk; exposing to danger; requiring courage; rash; Ð applied to acts; as, an adventurous undertaking, deed, song. Webster, Noah

He was suffering from hypothermia and severe frostbite on his feet and hands. Seattle Times (Nov 22, 2011)