Breukelen, Park Gunterstein.
Dutch defence line from 1940, Vesting Holland, Front Oost, Breukelen, Park Gunterstein.
Driving along the river Vecht, on the east side over the Zandpad, turn east into the Laan van Gunterstein. After 350m you see the first bunker and around the corner stands another one behind a hedge. Further away into the meadow there is/are more bunkers, but they are hard to find.
3x Dutch Pyramide group shelter.