The Vallée des Cailles Regional Nature Reserve covers more than 45 hectares of dry valleys, limestone grasslands and woodlands on the edge of the Dreux forest. You will be able to admire the rich biodiversity of the site which is home to five habitats of community interest including a priority meso-xerophilic grassland habitat. You can also discover the traces of human occupation from the Paleolithic to the Neolithic, as well as the remains of a brickyard and a 19th century quarry.

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Paul_C

September 3, 2023

Running

The Vallée des Cailles Regional Nature Reserve covers more than 45 hectares of dry valleys, limestone lawns and woods on the edge of the Dreux forest. You will be able to admire the rich biodiversity of the site which is home to five habitats of community interest including a priority habitat of meso-xerophilic lawn. You will also be able to discover traces of human occupation from the Paleolithic to the Neolithic, as well as the remains of a brickworks and a quarry from the 19th century.

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Lavanchy

April 22, 2025

Running

Small trail running excellent for beginners

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Best routes to Vallée des Cailles Nature Reserve

4.8

(9)

hikers

1. Château d'Anet — loop from Anet in the Vallée des Cailles nature reserve

10.8km

02:56

150m

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Moderate

hikers

2. Hiking loop from Anet

8.93km

02:21

80m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

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3. Hiking loop from Rouvres

8.37km

02:15

110m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Details

Informations

Elevation 100 m

Weather

Sunday 8 February

11°C

4°C

51 %

Additional weather tips

Max wind speed: 23.0 km/h

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Location: Boncourt, Dreux, Centre-Val de Loire, France

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Sentier Forestier

Vallée des Cailles Nature Reserve

1. Château d'Anet — loop from Anet in the Vallée des Cailles nature reserve

2. Hiking loop from Anet

3. Hiking loop from Rouvres

Other Popular Places to Check Out

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