Dole ManorDole Manor is a manor house on Dole Island in the Daugava River, in the Salaspils Parish of Salaspils Municipality in the Vidzeme region of Latvia, not far from Riga.HistoryThe first owner of the estate was Swedish army Colonel Nikolauss Deetrih Sperreuter in 1631. The current manor was built in 1898 in Neo-Romantic style. After 1921 it housed a primary school, after 1954 a fishermen's club. Since 1977 the Daugava River Museum has been located in the manor house.