Path of the Mills and Castles

This loop trail is approximately 12.8 km (about 8 miles) long and typically takes around 3 hours and 20 minutes to complete. This estimate is for a moderate pace.

The Circuit de Bois-le-Roi loop is rated as moderate. It involves an elevation gain of about 80 meters (262 feet). Hikers should have a good physical condition, and vigilance is advised on certain sections.

The terrain is varied, featuring grassy paths (chemin herbeux), shaded sections through undergrowth (sous-bois), and portions along roads. Be aware that some sections, especially towards the end, can be very stony. The route also follows rivers, canals, and streams.

The trail offers a rich blend of historical and natural sights. You'll pass through the medieval town of Ferrières-en-Gâtinais and discover old mills, churches, and chapels. Notable highlights include the Corbelin Grill Bridge (a 15th-century Gothic bridge) and the Moulin de Griselle. The Tosset mill, with its 15th and 17th-century structures, is also a significant historical point. The valley is also home to unique flora, including wild orchids.

While the trail can be enjoyed in various seasons, the spring and autumn months often offer the most pleasant hiking conditions with mild temperatures and beautiful scenery. Spring brings blooming wild orchids, and autumn provides vibrant foliage.

The trail is generally dog-friendly, but it's always recommended to keep dogs on a leash, especially when passing through villages, near historical sites, or in areas where wildlife might be present. Please ensure you clean up after your pet.

No, there are no specific permits or entrance fees required to hike the Circuit de Bois-le-Roi loop. It is freely accessible to the public.

Specific parking information is not detailed in the provided sources, but generally, trails in this region, especially those starting near towns like Ferrières-en-Gâtinais or Bois-le-Roi, will have designated parking areas. It's advisable to check local signage upon arrival or consult local tourism resources like fontainebleau-tourisme.com for the most up-to-date parking options.

Yes, sections of this route overlap with several other official trails. You will find it intersects with parts of the Du Gâtinais au Morvan, Fontainebleau - Montbouy, Vallée Vél’eau, Chemin des Moulins et des Chateaux, and PR de L'Orée des Bois trails.

Given the varied terrain, including stony paths, sturdy hiking shoes are highly recommended. Bring enough water, especially on warmer days, as specific water sources on the trail are not mentioned. Snacks, sun protection, and rain gear are also advisable, depending on the weather forecast.

The trail passes through or near towns like Ferrières-en-Gâtinais and Griselles, where you are likely to find local amenities such as cafes, restaurants, and public restrooms. It's best to plan for these stops at the beginning or end of your hike, or when passing through these villages.