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Published: Feb 19th, 2025Allan Creek Late Spring Ride
Access has a fair bit of gravel in long patches up to 4 km. Between 4 km and 6 km trail is hard and icy in areas. 6 km and beyond it is holding up well. Might want to consider ol route at 3 km to avoid worst of trail. Snowpack was well consolidated with about 3 cm of fresh in the areas we rode. Northerly aspects had some evidence of storm slabs in more sheltered locations. Southerly aspects were showing wetter snow surface likely from periodic sun exposure with warm Temps (-5 to 0C). Was not enough to destabilize snowpack in areas we rode. Despite what the photos show, the sun was quite intense when it did appear. Fog was present periodically beginning around 1800m and periodic snow falling as graupel with now significant accumulation. Did observe at least 5 avalanches across the valley from the burn and the challenging terrain zone between that and hillclimb. It was a good day of riding for this time of year and only one other group of two in Allan.
Allan Creek
It was a mild, sunny day. We could see far and wide and could only see some wet loose debris out of steep, southerly slopes from the past few days. The snow surface remained dry at 2000 m on all aspects but south, although all of the snow had been hammered by weekend traffic. Cornices are large along alpine ridges but we didn't see any failures.
Mad crew
Deep Days In The Back
Quick test profile at 1970m, we had repeated compression test results down 30cm on a Storm interface. An extended column failed partial block at the true storm snow height of 55cm. The snow pack was right side up. A boot penetration done resulted in 80cm. Signs of wind effect were noted on high alpine slopes, but remained soft in our ride area of sheltered elevations. Storm snow showed varying levels ranging from 20cm-65cm throughout the day. Get out and ride!
Treeline Pow
At Allan Creek we found fresh powder on a supportive base at treeline. The new snow was low density and not cohesive so we felt comfortable riding steep open features. Higher up in the alpine we saw wind blowing snow at ridge crests so we suspected windslabs there and stayed away.
Westridge
Sunshine, Snow, and a Spotty Weak Layer
We found sunshine, powder and a spotty persistent weak layer at Allen Creek. The powder was on all aspects with little wind and we didn't see any new avalanches in the back-country. We sled tested all the small steep slopes and little rollovers we could find and that resulted in just good riding. While we did still get results on that persistent weak layer we only saw it on sheltered north facing slopes away from busy riding areas. We decided to stay in the sunshine and enjoyed the new snow away from north facing slopes.
RMA AST2
Training - no skiing or riding today.
😮
Today we saw numerous slab avalanches that released in the last 48hrs. When we dug a test pit we found an impressive layer of surface hoar (feathery crystals) 50 cm down. In our tests this layer failed, propagated, and slid into our laps. When we see recent avalanches, and have obvious signs of instability in tests, it's easy for us to choose conservative terrain. We found a lower angle, supportive part of the slope, and had good turns!
Near Allan creek rock bowl
High Avalanche Conditions in Allan Creek
Rode Allan Creek. No base. Probed 95cm at 1863m elevation; Below tree line. One bowl we dropped into had slid previously within the last day or two (picture shown) Felt whumph. Then on the backside of Hillclimb had slid today. (Picture shown) Crossed Avalanche Alley, no Avalanche activity at time of crossing. Felt a very obvious vibration/crack over past Super Bowl. When we came back through Avalanche Alley, a portion had slid. Approx size 1-1.5 (no picture)