I'm going to submit some Cache Glacier photos, but they're so old, the glacier has changed significantly. This one is valuable for it's illustration of current conditions, and it's a better shot of the NE face of Mix-up than mine. Thanks for adding to the value of the page.
I would have taken a photo of the Cache Glacier from its toe but...alas...I was out of film...in my celluloid camera.
Info about the glacier that you could incorporate:
A) The crevassing is generally minimal (except for lower down to the left where no one would go anyway). What crevasses do exist are generally just cracks easily stepped over. We went up the right (west) side on the ascent but realized that a descent/ascent right up the middle could be done without issue, although crampons are necessary in late season. We descended down the gut on the return in no time.
B) There were surface water run-off channels that plunged into circular melt-shafts 3-4 feet in diameter that were >50 feet deep (I couldn't see the bottom of them). There were four of them in a line just beyond (uphill from) the ancient rock slide on the lower right side of the glacier. I had never seen them before except for pictures/video from Iceland.
C) The moat at the top of the glacier can be a problem but the left side was fine for us. The right side featured a gaping hole...that we cramponed directly above like so-cool dumbos.
Thanks. It sounds much better than I'd been led to believe. My photos from 1977 show those cracks at the lower left, and we had to bypass that top schrund on the left, also. The melt-holes are new to me, though. They sound cool, as long as you're not falling down one.
Great photo, but the info as to the capsite on the shoulder is incorrect--no cross-country camping is allowed in North Cascades National Park north of Cache Col due to its proximity to the ever-popular Cascade Pass trail and camps. You need to go south of the col (and therefore out of the Park boundary) in order to make camp on the first night.
That campsite has been there for a while (probably long before 1972) and is quite good regardless of rules imposed after the fact. How long has this rule been in effect? Is backcountry camping allowed in Pelton Basin?