D20 Drouwen is the name given to a Neolithic passage grave located in the Netherlands. The site is one of the many well-preserved passage graves in the country. The site is located in a small open patch of land in a wooded area next to a road. It is visible from the road. The remains consist of an 11 m burial chamber with 6 capstones, multiple support stones and stones that surrounded the edge of the now destroyed mound also remain.
Another passage grave sits right beside it as well.