What is the name of Canada's newest national park, located on the eastern arm of Great Slave Lake?

Thaidene Nene is indeed the name of Canada's newest national park, located on the eastern arm of Great Slave Lake in the Northwest Territories. This national park was officially designated in 2019 and is notable for its ecological and cultural significance. It features a diverse landscape that includes boreal forests, lakes, and tundra, making it a vital area for wildlife and indigenous cultures, particularly the Dene people who have lived in the region for thousands of years.

Thaidene Nene translates to "land of the ancestors" in the Dene language, reflecting its importance to the indigenous communities. By protecting this area, Canada has taken a significant step in preserving both the natural environment and the cultural heritage of the peoples associated with the region.

The other options represent either fictional or less recognized locations and do not pertain to this specific national park. Recognizing Thaidene Nene highlights the ongoing efforts in Canada to expand and preserve its national parks, respecting both nature and indigenous history in the process.