Absolutely! (and enjoy responsibly!)
For canoe trips: best advise is to bring liquor and/or wine. Decant glass bottles or cans into plastic containers. It is forbidden to bring glass or cans into Algonquin Park.
Nearest locations to buy alcohol:
-Voyageur Quest’s Broken Patio. Located at Algonquin Park Access Point #1
-Magnetewan Distillery. Locally made craft spirits. Located in Sundridge
-Highlander Brewery. Locally made craft beers. Located in South River. Products sold in most local LCBOs and BeerStores
-LCBO and BeerStore. South River
-General Store. Trout Creek. Small selection