Hay Lake is located on the west side of Hwy. 127 south of Whitney Ontario in the Nipissing District
co-ordinates: Lat. 45° 22′ Long. 76° 11′
the lake sits on the eastern edge of Algonquin Park.
water flows into the lake on the south end from Drizzle Lake and exits the north end via the Hay Lake Dam into Otter Creek
the lake consists of two basins connected by a narrows. The southern basin is the shallower of the two. There are swampy weedy areas and also contain submerged logs and stumps
Lower Hay Lake is much deeper reaching depths of 110′. The average depth is 70′
a concrete public boat launch is located off of Hay Lake Road on the southeast side of the lake
major fish species include large and smallmouth bass, walleye, lake trout and perch
Hay Lake is located in Fisheries Management Zone 15
