When The Harding Icefield, from which several glaciers are found leading down to the sea, was first explored the Exit Glacier earned its name by being a relatively easy way down to the ground. Along the road to the park and the trail there are sign posts with 4-digit numbers. These show where the front face of the glacier was in that year. The earliest I saw was 1815 and it was a few miles down the road from the park. On the trail I saw this sign. A ranger I passed on my way down pointed out how far the Exit Glacier had retreated since he came to the Park in 1991. As with most glacier formed valleys there were numerous rocks and boulders left behind when they retreat.
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