Normal Amsterdam Level - Free Audio Guide

The Normaal Amsterdams Peil (NAP) is a historic reference point for elevation in the Netherlands, established in 1891. It originated from the Amsterdams Peil, which was based on the average water level of the IJ river in the late 17th century. NAP is crucial for understanding land levels in a country that is largely below sea level. Tourists can visit the NAP reference point located at the Amsterdam City Hall. The site features visible markers and historical peilmerken. Visiting hours vary, but the site is generally accessible during daylight. Admission is free, making it an excellent stop for history and geography enthusiasts. Accessibility is good, with nearby public transportation options.