The black lines are from volcanic ash. We drove by the volcano that had erupted the year before (and I think just had another, less major, eruption in May, perhaps). |
These black lines, again volcanic ash, show all of the volcanic activity that has occurred during this ice's lifetime. |
I strongly suggest you use a guide if you plan to hike the glaciers. Sink holes and other crazy crevices like this one can be lurking under what you think is snow. Isn't this pretty, though? |
I had only wanted to do a glacier hike but one of the tour companies offered a climbing experience as part of the hike for about the same price. This was seriously one of the coolest things to do!! |
Rappelling down was even more fun, though! |
The arch reminds me of hiking in Arches. Those last a little longer than a season, though.
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