Unusual entry into a dive site...
Visibility in Silfra is very high, over 100 meters easy.
Arctic Charr is common in Þingvallavatn but rare in Silfra. Most likely because lack of food and oxygen in the cold water.
Although Silfra has numerous caves over 60 meters deep, the depth is usually from 1 to roughly 30 meters.
The sun casts a partial shade on Silfra.
Exiting Silfra and entering a pool nicknamed the Blue lagoon.