199
After nearly a mile, the ice-walled tunnel opens out into a beautiful grotto. Melt-water cascades over a large outcrop of silvery mineral, which casts a dazzling display of reflections.
You can see that there is a small cave beneath the waterfall, which disappears into the silver rock. There appear to be no other exits from the grotto.
If you wish to enter the cave, turn to 82.
If you wish to return along the passage and take the other tunnel, turn to 284.