The rumor is now confirmed with Gander Mountain filing for Chapter 11. Chapter 11 allows restructuring of debt, not liquidation of all assets.
It will close 32 of 162 stores. The link below has the map of stores that will close
http://www.usatoday.com/story/money/2017/03/13/gander-mountain-bankruptcy-store-closings/99125958/
From: USA Today