Sources · Destination Guide

Southwest Iceland and Silfra

Cold-water clarity between tectonic plates, with Reykjavik as your base

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Destination Guide Sources For Southwest Iceland and Silfra

Reference links used to build and maintain this guide.

38 sources • Updated Oct 29, 2026

Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Oct 29, 2026.

Thingvellir National Park: diving regulations - Primary park rules: Silfra and Davidsgja only; buddy, no overheads, 18 m maximum, cold-water and drysuit credentials.
Thingvellir National Park: dive permit terms - Permit booking and visitor responsibility; no solo access.
Thingvellir National Park: parking service - Official 2026 listed parking price, P5 access and day validity.
Thingvellir National Park: hiking trails - Signed historical walking trails and visitor routes.
Thingvellir National Park: visitor centre - Visitor exhibitions, seasonal operating hours and admission.
Visit Iceland: diving and snorkeling - National tourism overview of Silfra, Icelandic conditions, Gardur and Kleifarvatn.
DIVE.IS: Silfra dive site - Operator description, water characteristics and scuba prerequisites.
DIVE.IS: Silfra scuba day tour - Listed scuba package price, drysuit qualification, age, medical screening and transfer options.
DIVE.IS: Silfra snorkeling day tour - Listed snorkeling schedule, age and fit limits, medical statement, costs and park fee references.
DIVE.IS: Silfra freedive day tour - Dedicated wet-suit breath-hold tour, partner operation, age/health requirements and no transport.
DIVE.IS: diving FAQ, site availability by season - Operator reports April to October broader site selection and November to March primarily Silfra.
DIVE.IS: Iceland dive sites - Operator inventory for Silfra, Davidsgja, Reykjanes sites and unavailable nonlocal sites.
DIVE.IS: Davidsgja - Nearby Thingvallavatn fissure with variable visibility; operator depth description conflicts with park limit.
DIVE.IS: Gardur - Reykjanes marine shore/pier entry, kelp beds and fish encounters.
DIVE.IS: Lake Kleifarvatn - Geothermal lake diving and snorkeling, changing water levels, winter pause and current excursions.
DIVE.IS: Bjarnagja - Brackish fissure near Grindavik with some overhead areas; current access must be confirmed.
Icelandic Meteorological Office: Reykjanes 27 October 2026 - As-of research-date primary volcanic assessment: ongoing uplift, low seismicity, possible short-warning intrusion or eruption.
Icelandic Meteorological Office: Iceland climate - Changing Atlantic weather and late-May to early-September tourism season.
Icelandic Road Administration: Traffic Info - Authoritative road and weather reports and update cadence; use live map before each trip.
Visit Reykjavik: whale watching - Old Harbour boat departures, seasonal seabirds and cetaceans, no guaranteed sightings.
Visit Reykjavik: northern lights - Dark season and weather-dependent aurora planning.
Visit Iceland: geothermal wellness - Source-backed geothermal stops including Laugarvatn Fontana and Reykjavik area baths.
Visit Iceland: Laugarvatn Fontana - Golden Circle geothermal pools and bakery.
Visit Reykjavik: tourism FAQ - Reykjavik attractions, public pools and fauna seasons.
Icelandair: Keflavik international airport connections - KEF international hub, RKV domestic airport, city distance and transfer types.
Visit Reykjavik: Flybus airport transfer - KEF to Reykjavik BSÍ with year-round connections.
Iceland government: entry requirements - Schengen 90/180-day rule and passport requirements.
Iceland government: visa checker - Nationality-specific visa determination.
Iceland Revenue and Customs: lodging tax - Current listed accommodation levy amounts effective 2025.
Visit Reykjavik: currency, cards and banks - ISK currency, card payments, tipping not expected and cash needs.
Iceland power plugs guide (August 2026) - Dated 2026 review confirming the standard 230V, 50Hz and Type C/F plugs.
Iceland 112 emergency service - 24/7 Iceland emergency number and emergency app.
Landspitali: Hyperbaric and Dive Medicine Department - 24/7 medical contact, emergency care on call and Reykjavik hospital location.
Landspitali: emergency diver recompression - Emergency response is through 112 and emergency medical evaluation before chamber activation.
Divers Alert Network: flying after diving - Recreational scuba minimum preflight surface intervals; longer is safer.
Divers Alert Network: freediving risk assessments - Never freedive alone; training and blackout prevention.
Destination hero photo by Delahanty (historical) - Silfra fissure, Þingvellir, Iceland. Photo: Delahanty / Wikimedia Commons. CC BY 4.0: https://creativecommons.org/licenses/by/4.0. Cropped and resized.
Destination hero photo by Ruslan Valeev - House near lake under white sky during daytime. Unsplash License (https://unsplash.com/license). Photographer: https://unsplash.com/@postrobotbox. Cropped and resized for the cover.