Plans are afoot for a magnificent new open air lagoon in Canada that will be kept at balmy temperatures year round through a “huge Thermos” heating system underneath. Designed to be the largest of its type in the world and blend in with the natural landscape, the geoLagon project also includes hundreds of surrounding chalets to form a village that will be entirely energy self-sufficient.

Modeled on the famous geothermal lagoons of Iceland, the geoLagon is designed as an open-air attraction for visitors to relax and soak up the surroundings. To be built in Charlevoix, Quebec, the lagoon’s waters will span some 12,000 square meters (130,000 sq ft) and be warmed to a pleasant 39 °C (102 °F) all year, offering welcome refuge from the region’s frigid air temperatures that dip well below zero (32 °F) in the winter time.

Far bigger than Iceland’s spectacular 8,700-sq-m (93,000-sq-ft) Blue Lagoon, the planned geoLagon is set to be come the largest lagoon of its type in the world. It will be heated through an energy ecosystem consisting of geothermal, biomass, photovoltaics and solar heating systems, along with a thermal reservoir beneath the lagoon’s base to store heat.

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