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France
Centre-Val de Loire
Dreux
Anet

Anet and Vallée des Cailles Loop

Moderate

4.8

(12)

34

hikers

Anet and Vallée des Cailles Loop

02:56

10.8km

150m

Hiking

Hike a moderate 6.7-mile loop from Anet, exploring the historic Château d'Anet and the natural beauty of the Vallée des Cailles nature reser

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Réserve naturelle de la Vallée des Cailles

Waypoints

A

Start point

Parking

Get Directions

1

298 m

Anet Castle

Highlight • Castle

In Renaissance style, this 16th century private castle was built by Henri II for his favorite Diane de Poitiers. A fantastic building to admire while running.

Translated by Google •

Tip by

2

2.10 km

View of Anet

Highlight • Viewpoint

This magnificent point of view will allow you to fully appreciate the village of Anet and in particular the bell tower of its church. Don't forget to bring your camera …

Translated by Google •

Tip by

3

6.45 km

Vallée des Cailles Nature Reserve

Highlight • Natural Monument

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 …

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Tip by

B

10.8 km

End point

Parking

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Way Types & Surfaces

Way Types

6.73 km

1.37 km

1.17 km

1.11 km

189 m

102 m

Surfaces

3.81 km

2.71 km

1.77 km

1.54 km

847 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (140 m)

Lowest point (70 m)

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Weather

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Thursday 9 July

35°C

20°C

0 %

Additional weather tips

Max wind speed: 19.0 km/h

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Frequently Asked Questions

Where can I park to access the Château d'Anet loop trail?

The trail starts and ends in Anet, making it convenient to find parking within the village. While specific parking lots aren't detailed, you can generally find street parking or designated areas near the village center, especially close to the starting point of the loop.

Is the Château d'Anet loop trail dog-friendly?

Yes, the trail is generally dog-friendly. However, as parts of the route pass through the Vallée des Cailles Nature Reserve, it's crucial to keep your dog on a leash to protect the local wildlife and sensitive habitats. Always remember to clean up after your pet.

What is the best time of year to hike the Vallée des Cailles nature reserve loop?

The trail is enjoyable throughout the year, but spring and autumn are particularly pleasant. In spring, you'll see the nature reserve come alive with flora, while autumn offers beautiful foliage. Summer can be warm, so an early start is recommended, and winter hikes are possible, though some paths might be muddy.

Are there any permits or entrance fees required for the Vallée des Cailles nature reserve?

No, there are no permits or entrance fees required to hike this loop through the Vallée des Cailles Nature Reserve. It is freely accessible to the public.

What is the difficulty level of this hike?

This hike is classified as moderate. It covers approximately 10.8 kilometers with an elevation gain of about 150 meters. Hikers should have good fitness and be sure-footed, especially on varied terrain.

What kind of terrain can I expect on the trail?

The trail features a diverse mix of surfaces. You'll encounter general paths, streets, and designated hiking paths. The surfaces vary, including unpaved sections, natural terrain, and some asphalt. There's also a small section of mountain hiking path.

What interesting sights will I see along the route?

The route offers a blend of history and nature. You'll have the opportunity to admire the historic Anet Castle, a Renaissance masterpiece. There's also a View of Anet village, including its church tower. A significant portion of the hike traverses the biodiverse Vallée des Cailles Nature Reserve, known for its dry valleys, limestone grasslands, and forests.

Does the trail intersect other well-known paths?

Yes, the route intersects with several other paths. You'll find sections that overlap with 'de Versailles à Verneuil', 'De Anet à Montreuil', 'La Vesgre à vélo', and 'Route de l'Entonnoir', among others.

Are there any facilities like restrooms or cafes along the trail?

The trail itself does not have dedicated facilities like restrooms or cafes. However, since the loop starts and ends in Anet, you can find amenities such as cafes and restaurants within the village before or after your hike.

What wildlife can I expect to see in the Vallée des Cailles Nature Reserve?

The Vallée des Cailles Nature Reserve is known for its rich biodiversity. While specific species sightings can vary, the reserve's diverse habitats, including limestone grasslands and forests, support a variety of local flora and fauna. Keep an eye out for birds, insects, and small mammals typical of such protected areas.

Is the trail suitable for children?

Given its 'moderate' difficulty rating, which requires good fitness and sure-footedness, this trail might be challenging for very young children or those unaccustomed to hiking. Older children with hiking experience and good stamina should be able to manage it.

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