Alphen aan den Rijn is a locality located 32.59 km north-northeast from Amsterdam in South Holland, Netherlands. The population of Alphen aan den Rijn is 111,897 people. Gouda, Katwijk, Lansingerland are located close to Alphen aan den Rijn. You can find Alphen aan den Rijn on any map using the following decimal coordinates: 52.1333 (latitude), 4.65 (longitude).