Rectangular plant, building simple, regular. Has sheltered porch by iron railing, access by two lateral staircases. On the first floor there are three Bay Windows enshrined by cast iron railings.
This is a huge monolith in porphyry granite, in medium grain with a longed e ellipsoidal shape. It is possible that it comes from an area with similar outcrops located about 1 Km. to the NO from the place where the Monument was primarily raised up. It was probably a menhir with 4 metres high. It is also possible to recognize in its surface some attempts to regulate it, as well as on the decorations graved in punching, namely a circle and some lines.
Anta who possessed five mainstays, being the greatest bedside, apparently about 2 m of height above the ground by 1, 100 feet wide, flanked by two Struts on either side.
The polygonal shape elongated Chamber measures 2.63 (N-S) and 3.47 (E-W). Would have 9 of which are 4 Struts in situ and complete (the night and the first 3 S side). The fourth mainstay of side S and N-side room are inclined towards the interior of the Chamber. S side still remain the second and third, both parties. The mainstays have thicknesses and variables are all in slab form (section subrrectangular), reaching a height of 2, 30 m from the ground.
