The Onion Creek map area straddles the north slope of the Nisling Range to the south and the south slope of the Dawson Range to the north. Nisling River separates the two ranges and crosses the map area from east to west. Onion Creek is a major tributary to the Nisling River on the west side of the map area.
The Government of Yukon acknowledges that Indigenous Peoples have traditional territories throughout the Yukon and celebrates their role as stewards of the lands and waters and their ongoing connection to this place.