Athabasca Ramp & W/S Twins

-Approached via Snow Dome side on May 8. Thin coverage up the ramp and one fall knee deep into a crevasse just past the seracs. -Significant melting occurred between May 8 and our exit on May 10. The ski out down the ramp was convoluted and puckering. I expect it to continue to deteriorate over the next few days of warm temps. -Coverage on S Twin was relatively good considering this season; we did not have to ascend any bare ice. -Thin coverage on the icefields in general! We had probed 70-100cm at our camp on the N arm.