Lupinlahti is a very diverse bird bay located about 2.5 kilometers from the center of Hamina. The birdwatching tower, built in two levels, offers great views and a birdwatching spot for observing the birds of Lupinlahti. The tower is located near Lauttasalmi, just 2.5 kilometers from Hamina's city center. The first level of the tower is accessible via a wheelchair ramp, making it accessible for people with mobility impairments. Lupinlahti is part of Finland's provincially significant bird areas.