Gannon is a municipal layout in Lynn off US 1 on the east side of Walden Pond.

The golf course is a parkland style layout traversing tree lined fairways over rolling terrain. It's generally straightforward save for several doglegs with multiple ponds in play and sand bunkers defending many of the modest greens. It plays to 6,110 yards from the blue tees, 70.2/123, course/slope ratings with with three shorter tee boxes, designed in 1929 by Wayne Stiles.