Stakkholtsgjá hike: Flowing water [forgot to post this with the rest]

Judging from the mostly vertical walls of the gorge and the relative smoothness of the rock walls, it was probably carved mostly by water, possibly with some help from the glacier. The shaft down which the little clear stream trickles was probably originally a crack in the rock or maybe a vein of softer rock which over time got worn away by trickling water.

The walls of the cave, like the walls of the gorge, are partially covered in vegetation and constantly sprayed with water. This makes for a stunning play of light on the walls and water when the sun shines down the hole in the roof of the cave.

Rock, close-up

Water-worn rock in the gorge wall, with mineral deposits.

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