Silfra
Also known as: Silfra Fissure
Best time to dive
January to December; June
Certification & difficulty
Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Snorkel-friendly - Yes - extremely popular; snorkellers can use a thick wetsuit/dry suit and need no prior certification, making it one of the most accessible sites in the cluster
Safety notes
Extreme cold exposure, buoyancy challenges from the near-zero-salinity water, prohibition on touching the fragile lava/algae formations, prohibition on entering caves/overhead sections, one dive per day per diver limit enforced by operators
Permits & fees
ISK 1,500 Silfra access fee (typically bundled into tour prices by operators); no separate Þingvellir National Park entrance fee; a vehicle parking fee applies via the park's CheckIt system
Permits and operators change - confirm before booking.
Location
Nearest hub: Reykjavik
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.