Lava Lake (British Columbia)

Lava Lake is a lava dammed lake located in northwestern British Columbia, Canada. The lake lies within the Nisga'a Memorial Lava Beds Provincial Park, which includes fishing, hiking and other features.
Formation.
Lava Lake increased in size and depth when lava from the Tseax Cone dammed the Tseax River in the 18th century. The flow subsequently traveled north to the Nass River, where it filled the flat valley floor for an additional , making the entire lava flow approximately long. This is one of Canada's youngest lava flows.