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Dampierre Maincourt : blue TD- (n°4)

Area description
The sector of Dampierre-Maincourt is located in the Vallée de Chevreuse, near Sain-Quentin en Yvelines, above the river Yvette.
Access 1 : for the main sector, park the car along the D58, in the center of the village of Maincourt, go down Le Chemin du Moulin and turn right at the GR11. Cross the river at an old washhouse and continue on the GR for 300m. The first boulders are above in the thalweg (start of the children's circuit) and, by going up and right, the starts of the yellow circuit PD and pink circuit TD- can be found (as well as the 30 last numbers of the orange circuit and the end of the red one).
For the sector of La Butte Ronde, park the car at the bottom of the well-known cyclists' 17 bends on the D91 and follow the GR for 400m. The starts of the orange and red circuits are above in the slope, after the path has turned left and then right.

GPS parking lots

N 48.716531, E 1.968331 (Maincourt-sur-Yvette)
N 48.711239, E 1.990175 (Dampierre-en-Yvelines)

GPS start of the circuit

N 48.716432, E 1.976750

1	La Roselière 4+	traverse frtl	Jean Pillot / Michel Gouze
	descending, ascending, descending traverse.
2	Le Grimpereau de Maincourt 5 (5-)	traverse frtl	Jean Pillot / Michel Gouze
	exit in slab after the arete
2 bis	La Sittelle 6a	traverse frtl / overhang	Jean Pillot / Michel Gouze
	traverse and exit directly before the arete.
3	Le Sumac 4	traverse frtl	Jean Pillot / Michel Gouze

4	La Véronique 5- (4-)	traverse frtl / slab	Jean Pillot / Michel Gouze
	descending traverse and exit in the slab after the arete.
4 bis	L'Euphorbe 5	wall	Jean Pillot / Michel Gouze
	without the left arete.
5	Le Lycope 5- (4)	traverse fltr	Jean Pillot / Michel Gouze

5 bis	Le Lavagot 5- (5)	wall	Jean Pillot / Michel Gouze

6	Le Sessile 4+ (4)	traverse frtl / mantle	Jean Pillot / Michel Gouze

7	La Cardamine 4+ (4-)	traverse frtl	Jean Pillot / Michel Gouze

8	Le Phlagmite 4+ (3+)	slab	Jean Pillot / Michel Gouze

9	La Foulque Macroule 5- (4)	traverse frtl / mantle	Jean Pillot / Michel Gouze

10	Le Strobile 4+ (4)	traverse frtl	Jean Pillot / Michel Gouze

11	L'Élodée 4+	slightly overhanging	Jean Pillot / Michel Gouze
	watch the flake, that will, one day,...
12	Le Gammare 4+	traverse frtl / mantle	Jean Pillot / Michel Gouze

13	Bouquet de Roses 6a	traverse fltr	Jean Pillot / Michel Gouze
	5b with upper holds.
14	Le Myriophylle 4+	traverse fltr	Jean Pillot / Michel Gouze

14 bis	La Phalène 5-	crimps	Jean Pillot / Michel Gouze

14 ter	La Limmée 5	crimps	Jean Pillot / Michel Gouze

15	La Daphnie 5+	traverse fltr / mantle	Jean Pillot / Michel Gouze
	See also: Matassin 7b
16	Le Grèbe Castagneux 5- (4)	traverse fltr	Jean Pillot / Michel Gouze

17	La Lépiote Élevée 5- (4)	arete	Jean Pillot / Michel Gouze

18	Pétale de Rose 5	slab / expo
	right problem on the slab of La Dalle Noire (the n°18 has been erased).
19	Les Boules à Mimi 5	slab / expo
	left problem on the slab of La Dalle Noire (the n°19 has been erased).