Keilir

The lagoon was formed by outflow from the nearby Svartsengi geothermal power plant, which uses superheated water drawn from deep below the lava field. Its colour comes from dissolved silica and algae. People soon discovered that bathing in the water seemed to help skin conditions, and a spa grew up around it. The water is renewed regularly.

The bridge is just a short walk from the car park, so a visit takes only around twenty to thirty minutes. Many people collect a certificate at a nearby visitor centre as a souvenir. Combine it with other Reykjanes sights such as the lighthouse, the geothermal area at Gunnuhver, or the village of Hafnir.

Garðskagi is a favourite spot for birdwatching, especially during spring and autumn migrations, and for sunsets that turn the sky orange and pink. On clear winter nights it is a good place to see the northern lights. A small museum and café stand by the lighthouses. Bring warm, windproof clothes, since it is almost always breezy.