Medieval castles in Alphen aan den Rijn

Medieval castles in and around Alphen aan den Rijn: 4 listed. Fortified residences built to hold a hill, a river crossing or a border — the classic castle, from small keeps to vast royal seats.

Common questions

How many medieval castles are there in and around Alphen aan den Rijn?

4 — each with its location on the map, what it is, and the visiting details we could confirm.

Can you go inside the medieval castles in and around Alphen aan den Rijn?

Entry details are not confirmed yet for most of them — open each listing and check locally before you travel.