Built in 1620-1631, located on Westermarkt near the Anne Frank House. You can climb the tower (with a guide only) every half hour, M-Sa €6. The tower is also open in the winter by group appointment (maximum 10 people) for €70/hr. In good weather you can see all of Amsterdam, and as far as the coast. Free organ concert held every Friday at 13:00.

The Westerkerk (Dutch pronunciation: [ˈʋɛstərˌkɛr(ə)k]; English: Western Church) is a Reformed church within Dutch Protestant Calvinism in central Amsterdam, Netherlands. It lies in the most western part of the Grachtengordel neighborhood (Centrum borough), next to the Jordaan, between the Prinsengracht and Keizersgracht.