Distance from Airport
10 Minutes
The Blue Lagoon and key sites are just minutes from Keflavík International Airport.
Southwest Iceland
Reykjanes Peninsula Iceland: Complete Visitor Guide
Iceland's most geologically active peninsula, where tectonic plates diverge, volcanoes erupt, and geothermal steam rises from the earth. Home to the Blue Lagoon and just minutes from Keflavík International Airport.
Updated February 1, 2026By the Iceland.org Travel Team
Location
Southwest Iceland
Nearest peninsula to Keflavík Airport.
The Reykjanes Peninsula is where Iceland's raw geological power is on full display. Sitting directly on the Mid-Atlantic Ridge where the North American and Eurasian tectonic plates pull apart, this landscape of steaming vents, bubbling mud pots, fresh lava fields, and moss-covered volcanic terrain is unlike anywhere else on Earth. The peninsula made global headlines with a series of volcanic eruptions beginning in 2021 at Fagradalsfjall, ending 800 years of dormancy. For most visitors, this is the first and last landscape they encounter in Iceland, yet few realize just how much it has to offer beyond the airport road.
Safety + sourcing
Last updated: 2026-02-01
This guide is for trip planning, not emergency guidance. Conditions in Iceland can change quickly—always check official alerts and road conditions before you drive or hike.
Sources to check
Eruptions
2021-2024
A series of eruptions at Fagradalsfjall and Sundhnúkur ended 800 years of volcanic dormancy on the peninsula.
Key Site
Blue Lagoon
Iceland's most famous geothermal spa, with milky-blue waters rich in silica and minerals.
What to Expect
Blue Lagoon Geothermal Spa
Iceland's most iconic attraction, a milky-blue geothermal pool surrounded by black lava fields. The mineral-rich waters maintain a temperature of 37-40°C year-round. Pre-booking is essential.
Fagradalsfjall Eruption Sites
The volcanic eruptions that began in 2021 created new lava fields you can hike to. Fresh, dark lava contrasts with older moss-covered flows in a landscape that is still evolving.
Bridge Between Continents
A footbridge spanning the rift valley between the North American and Eurasian tectonic plates at Sandvík, symbolising the geological forces shaping Iceland.
Reykjanesviti Lighthouse
Iceland's oldest lighthouse, built in 1878, perched on a hill above dramatic coastal cliffs. Nearby Valahnúkamöl beach features wave-battered rock formations.
Gunnuhver Hot Spring
One of Iceland's largest and most active geothermal mud pools, named after a ghost in local folklore. Boardwalks allow safe viewing of the steaming, boiling landscape.
Krýsuvík Geothermal Area
A colourful geothermal field with bubbling mud pots, steaming fumaroles, and mineral-stained earth in vivid yellows, reds, and greens. Free to visit with boardwalk access.
Getting There
The Reykjanes Peninsula is the most accessible region in Iceland, beginning immediately at Keflavík International Airport. The Blue Lagoon is a 10-minute detour on the drive between the airport and Reykjavík. From Reykjavík, take Route 41 south (about 40-50 minutes). Route 427 and Route 425 connect the main sites around the peninsula. All major roads are paved and suitable for 2WD vehicles. The peninsula makes an ideal first-day or last-day excursion.
Best Time to Visit
The Reykjanes Peninsula is a year-round destination. Summer (June to August) provides the best weather and longest days for exploring geothermal areas and hiking to eruption sites. Winter (October to March) offers northern lights viewing opportunities and a moody, dramatic atmosphere over the lava fields. The Blue Lagoon operates year-round. Spring and autumn bring fewer crowds and pleasant conditions. During active eruptions, some areas may be restricted, so always check SafeTravel.is for the latest updates.
Planning help
Reykjanes Peninsula FAQs
Quick answers with safety notes where it matters.