D15 near Loon has everything that makes a dolmen complete. Five pairs of supporting stones carry five ‘capstones,’ forming a chamber. This chamber is closed off on both sides by an ‘endstone.’ Halfway along one of the long sides is the entrance, the ‘portal.’ Two pairs of ‘portal side stones’ form a short passage leading to the entrance. The roof of the portal was formed by two portal capstones, one of which is still present.
The portal side stones connect to a ring of upright stones surrounding the dolmen. These once formed the boundary of the ‘tumulus’ that covered the dolmen.












