Scrounging through the maps I thought these could go in winter. The road to Jasper stays plowed all winter although you may have to wait after a big enough dump. Since my approach aspects for these peaks were different, I expected the snow conditions to be very different and I wasn’t sure how hard they would be. Indeed, for Cornwall to the S it took me 5 hours to summit 4 miles, while for Marble to the N it took me 4 hours to summit 5½ miles.
Both days were warm, maybe low 30’s, with bright sun and no clouds. The snow on Cornwall was clumping under my snowshoes for quite a ways, for Marble not so much. The woodpeckers were out in force on Cornwall, they seemed delighted with the weather.
2017/03/08, Wednesday (Day 1)
Cornwall Mountain 12285
Start/End Loc: California Gulch off of FSR 250 (Jasper)
Distance/Elevation: 8.5 miles RT/3589 feet elevation gain
Start/End/Elapsed: ~7:10 AM/~3:20 PM/~8 hrs 10 mins (summit at 12:20)
This one was a solid workout, frustrating at times with the clumping snow, but not too much to keep from getting ‘er done. Here’s some photos and a topo.
2017/03/09, Thursday (Day 2)
Marble Mountain 12140
Start/End Loc: Town of Jasper then N up Spring Creek
Distance/Elevation: 11.2 miles RT/3357 feet elevation gain
Start/End/Elapsed: ~7:30 AM/2:35 PM/~7 hrs 5 mins (summit at 11:20)
This one was far easier. I originally had a line up the ridge between Burnt and Spring Creeks, but the 4WD road was far enough above the Spring Creek drainage to catch sun and it didn’t seem to collect too much snow. I checked it out a little at the beginning and it looked very good. As my topo shows I took this almost the entire way. Here’s some photos.
BTW if you can ski, this is definitely the one to do.
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- Gary Neben
- Site Admin
- Posts: 792
- Points: 32320
- Joined: Feb 19, 2013
- Location: Boulder
Peaks: Cornwall Mountain 12285, Marble Mountain 12140
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