Mangalsala Beacon

From www.unc.edu/~rowlett:

Date unknown. Active; focal plane 12 m (39 ft); red flash every 3 s. 7 m (24 ft) cylindrical tower with a small gallery but no lantern, painted red. A photo is available. Located at the end of the east mole at the Daugava River entrance, opposite the Daugavgriva lighthouse. Apparently accessible by walking the mole. Site open, tower closed. Admiralty C3529; NGA 12288.