Doubling Point Light is a lighthouse on the Kennebec River in Arrowsic, Maine. It was established in 1898, fifteen years after the founding of the Bath Iron Works, a major shipbuilder, 1.5 miles upriver.

Location: Kennebec River, Arrowsic, Maine
Coordinates: 43°52′57.0″N 69°48′24.5″W
Constructed: 1898
Construction: Lumber
Tower shape: Octagonal Wood Tower
Markings: White
Automated: 1988
Focal height: 23 feet (7.0 m)
2022 Lens: Fifth order Fresnel lens
Range: 9 nautical miles (17 km; 10 mi)
Characteristic: Flashing White 4s
Fog signal: none

I viewed this lighthouse on August 20 2021. Also saw this light from a boat cruise on July 16 2022

The fifth-order Fresnel lens from Doubling Point Lighthouse is on display at the Maine Lighthouse Museum in Rockland, Maine.

The lighthouse is owned by Friends of Doubling Point Light, while the dwelling is privately owned. Grounds open, dwelling/tower closed. .

Boat cruises are available, I used one out of Bath at the Maine Maritime Museum

Added to the National Register of Historic Places on January 21 1988

Access: Car with very limited parking . Also boat cruises are available