Thunder Lake Provincial Park, Provincial park in County of Barrhead No. 11, Alberta, Canada

Thunder Lake Provincial Park is a 208-hectare protected area featuring forests and wetlands in northern Alberta. The lake itself spans approximately 7 square kilometers and has a maximum depth of about 6 meters.

Thunder Lake Provincial Park was established as a provincial park in 1958, protecting the north-western shore of Thunder Lake and its surrounding forest. It lies about 140 kilometres west of Edmonton and roughly 21 kilometres west of Barrhead, in the County of Barrhead No. 11. The park sits at an elevation of about 688 metres above sea level.

Thunder Lake lies in a mosaic of farmland and natural vegetation, and the surrounding area is very sparsely populated, about 2 inhabitants per square kilometre. The lake holds Northern Pike, the main fish anglers come for. The park sits on the lake's north-western shore, about 21 kilometres west of Barrhead.

The area offers 127 camping sites, with 66 equipped with electrical power, plus opportunities for boating, swimming, and fishing. Visitors should prepare for variable weather conditions and bring appropriate gear, especially if planning water activities.

Thunder Lake reaches a maximum depth of only 6.1 metres across 7.03 square kilometres of water, and Northern Pike is the main fish found there. The park sits on the lake's north-western shore, about 21 kilometres west of Barrhead and 140 kilometres west of Edmonton.