Two significant landslides sent stones and debris that collapsed through the top of Joffrer this week, leaving a clear slope on the mountain, seen from highway 99 northeast of Pemberton,
The area, located about 180 km northeast of Vancouver, is popular among skiers, mountaineers and other outdoor enthusiasts.
Nobody was injured in the slides, something Brent Ward, the director of the Simon Fraser University's Natural Disaster Research Center, is more fortunate than anything else.
"These large landslides can be catastrophic," he said.
"If that had happened later in the summer when there were many people on the paths, we would have deaths.
Warm weather causes slides
The first slide was on Monday morning at 7:40 am, according to the BC. Parks. The debris extends up to 850 meters in width and takes about 5.2 kilometers.
The second slide, on Thursday morning, was marked on the same side of the mountain.
Ward said weather conditions are among the reasons.
Alpine eternal frost helps keep the stones in place, he says, and rocks become more susceptible to landslides as it melts.
"Do you remember the hot weather we had last week? "Ward said.
"This hot weather melts the snow, which is on the mountain, which then accumulates in rock fragments, which is actually the reason for the landslide."
Consequences of slides
Pictures from the effects of the slides spread to the social media, with many people out in the open expressing surprise and worrying about the slides.
"The community is just interested in this area – it's a huge, impressive geological event in an area where there are a bunch of mountain enthusiasts," said Nicholas Zichy, who knows the area and filmed some of the slides pictures.
Several ski routes, such as the Twin Towers and the Central Bowl, were taken to the rink.
There is a lot of sadness in the community with many people [ski] the lines are turned off, "Zichi said.
The Cerise Creek to Keith's Hut is closed due to damage by the slider and B.C. Parks have also closed Nlháxten / Cerise Creek Conservancy for safety reasons.
The Joffre Lakes Provincial Park, a popular hiking and camping site, was not affected.
"There is an ongoing assessment," said Sara Morgan, head of the Skoumaish-Liloo County Regional Emergency Program.
"For the community of Turkish and ski tours, they are obviously very interested in how this will change the opportunities for recreation."
Prior to Christ The park staff still assess the extent of the damage.