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GR1 stage 20 of 25

Stage 20: Saint-Chéron → Saint-Arnoult-en-Yvelines

From Saint-Chéron to Saint-Arnoult-en-Yvelines: 22.3 km, 220 m of ascent and 180 m of descent, or 5h15 – 6h of actual walking.

22.3 km 13.9 mi220 m 722 ft ascent180 m 591 ft descent5h15 – 6hHigh point 163 m 535 ft Challenging day

Challenging day.

Stage profile

0 m100 m200 m300 m0 km5 km10 km15 km20 kmSaint-Arnoult-en-Yvelines 131 m
Elevation profile: from 82 m to 163 m over 22.3 km.
PlaceKmAltitude
Saint-Chéron Start087 m
Sermaise Village on the way6.282 m
Roinville Village on the way10.5106 m
Dourdan Village on the way12.9110 m
High point 18.4163 m
Saint-Arnoult-en-Yvelines Finish22.3131 m

Stage map

Where to stay in Saint-Arnoult-en-Yvelines

2 places to stay within 2 km of the finish. Book ahead during the season.

Along the way

Accommodation along the stage, to shorten or lengthen the day.

Water points

1 water point listed on the route (fountains, springs). Drinkability is not guaranteed: treat the water if in doubt.

km 21.8

Getting there by train