The Deer Lake Boat Launch is an access point on the Herb–Ernest–Gun–Raven canoe route in Algonquin Highlands, Ontario.

It serves as one of three entry points for this beginner-friendly 10-kilometre route, which is well suited for introducing young campers to canoe tripping. Parking is available at the site.

The route connects several lakes over one to two days, with portages and optional side trips to destinations such as Cow and Bull Lakes, Ronald Lake, and Nehemiah Lake.

Nearby highlights include Brandy Falls on the Black River and high rock bluffs along the southeast arm of Raven Lake.