The Gingras Trading Post State Historic Site, which is considered as a North Dakota State Historic Site, is located at Walhalla, North Dakota. It is a two-story, exposed-log trading post and a clapboard house on his plot of land in the 1840s. It features the trading post and home of Antoine Blanc Gingras, a known Metis legislator.

In 1861, it’s the net worth was $60,000. He soon owned trading posts across the Territory of Dakota and some parts of Southern Manitoba. In 1851, Gingras was chosen as a representative of the area at the Minnesota Territorial House of Representatives. He served in there from 1852-1853. Gingras was also present when the City of Winnipeg was chartered.

Today, the Gingras Trading Post is listed in the National Register of Historic Places. The North Dakota State Historical Society currently operates the site. The site features exhibits about Antoine Blanc Gingras, Metis culture, and the Red River Valley fur trade.