Stretching through the towns of Casco, Poland, Oxford, Norway, and Otisfield, Thompson Lake is one of the larger lakes in Maine in the area. Thompson Lake is rated as one of the top ten lakes in Maine for water quality and is located in three Maine counties: Androscoggin, Cumberland, and Oxford counties. Even though it’s shoreline is fairly well developed, it still will provide you with a variety of recreational opportunities and offers you with some very beautiful scenic views.
Covering 4,225 acres, or almost 7 square miles, Thompson Lake has a maximum depth of 121 feet and mean depth of 35 feet. It stretches twelve miles long and is on average two miles wide. Thompson Lake has clarity up to thirty five feet in depth as it is spring fed from the Poland Spring Aquifer. Offering two public boat launches, a private marina, a pubic beach, and three summer youth camps, Thompson Lake will offer you a tranquil setting with a variety of options.
Thompson Lake’s water quality is considered to be excellent and has been monitored since 1977. The average water clarity is 8.8 meters and little dissolved oxygen depletion with Thompson Lake Environmental Association (TLEA) focusing efforts on watershed stewardship for a great amount of years.
Thompson Lake boasts a variety of different shore lines for your enjoyment. The lake provides some areas of steep rocky shoreline and undeveloped shores with long stretches of sandy areas. Thompson Lake also offers several coves and islands throughout the lake for you to explore by boat or swimming. The shores of Thompson Lake offer approximately 1,200 cottages and homes.
Thompson Lake is also a sought out visitor attraction for anglers. The lake is stocked with landlocked salmon annually by The Maine Inland Fisheries and they also manage the quality of the fish. Salmon are not uncommon to be pulled out of the lake up to 5-6 pounds. Thompson Lake anglers also find lake trout, small mouth bass, large mouth bass, and more. Fish growth is excellent at Thompson Lake which allows you to catch bass up to 3 pounds.
One of the other visitor attractions of this lake is The Heath which is a separate body of water located at the southern end of the lake across from the Thompson Lake Marina. This attraction offers you the option to canoe and kayak and connects you to Thompson Lake by a culvert under the causeway.
Come check out the beauty and tranquility of Thompson Lake for yourself!