Flathead River Valley

One of the most biodiverse ecosystems in North America, the Flathead River Valley is a Noah’s Ark of predator-prey relationships.

Tucked away in the southeastern corner of British Columbia, in the traditional territory of the Ktunaxa First Nation, the valley remains one of the last wild river-basins in Canada.

The Flathead River Valley is a cradle for many species, like the grizzly bear, who have lost habitat elsewhere. It is a wildlife refuge rich in plant species and it’s the last piece needed to complete the Waterton-Glacier International Peace Park.

As global warming impacts multiply, the Flathead will also serve as a key component of the international wildlife corridor stretching from the Yellowstone National Park to the Yukon through BC.

“I’ve spent the past 35 years visiting the great mountain ranges of the world. I can say without exaggeration that the Flathead River Valley in B.C. is something truly special.”  — B.C. mountaineer Pat Morrow (the first person in the world to summit the highest peaks on all seven continents.)

Thanks to the help of more than 15,000 Friends of the Flathead, we’ve managed to get a ban on mining and energy development in the area, but it’s still threatened by plans for industrial logging, new road access, decorative rock quarrying and trophy hunting of grizzlies.

Let’s connect and protect it!

Creating a Flathead National Park and Wildlife Management Area is more urgent than ever before, as the range of many plant and animal species shifts due to climate change. It’s time to follow Montana and Alberta’s lead and connect the Flathead to the Waterton-Glacier International Peace Park.

Become a Friend of the Flathead and sign the petition calling for a new national park!

Our work on the Flathead is supported by the Brainerd Foundation and the Wilburforce Foundation.


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Help us inspire generations to defend nature and confront climate change, so families, communities and the natural world can prosper together.


Recent Updates

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Let’s Connect It and Protect It! Completing the World’s First International Peace Park

The Flathead Valley is unmatched in North America for the variety and density of carnivores and its extraordinary diversity of plants and animals. It remains one of the last wild river basins in southern Canada. However, there are no legislated wildlife sanctuaries in the Southern Rockies.

Biodiversity, Climate Change & BC's Flathead Valley

On Wednesday February 24th, Sierra Club BC partnered with the Royal BC Museum to put on a multifaceted event that brought out speakers Troy Sebastian from the Ktunaxa National Council, Dr. Richard Hebda from the Royal BC Museum, and world renowned conservationists Brian Keating.
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Help us achieve our wishlist

Squeeze and be squeezed. That’s what 2015 felt like. We were put in the vice of a CRA audit. We had to defend ourselves