A mountaineer killed in a “200 to 300 meter” waterfall on the slopes of Mount Hood in Oregon, in the northwestern United States, the Clackamas County Sheriff’s Office reported on Tuesday.

“The climber, who fell from 200 to 300 meters, was declared dead on arrival at the hospital,” after being rescued by helicopters, reported the sheriff’s office on Twitter, adding that the victim had not been identified yet.

“We estimate that seven to eight mountaineers” were also stuck on the mountain, culminating at 3,425 meters, reported the sheriff’s office, adding that the relief had managed to reach them.

They helped four mountaineers – among them a wounded man and a sportsman “having trouble getting around” – to go down, while another group of three mountaineers also descended the mountain.

The relief is engaged “in a race against the clock” in the face of the predicted deterioration of weather conditions on the snowy summit, according to the sheriff’s office.

Mount Hood, a popular destination for mountaineers east of the city of Portland, is the scene of frequent accidents and at least 46 people have died since 2002, according to Katu News.