The Tochmaland mill is an historic polder mill located on Tochmaland in the town of Kollum. The mill was built in 1893 to manage the 550 hectare Tochmaland polder. The mill was decommissioned in 1946 because of a structural fault. The Tochmaland mill is now owned by the Kollumerland Mill Foundation. It was restored in the early 1980s, and is now used as a backup mill for the polder. The Tochmaland mill is open to the public every Saturday.