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Guiry-en-Vexin Castle – Saint-Cyr Castle loop from Longuesse

Guiry-en-Vexin Castle – Saint-Cyr Castle loop from Longuesse

Moderate

riders

Guiry-en-Vexin Castle – Saint-Cyr Castle loop from Longuesse

02:19

50.8km

420m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: April 21, 2026

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After 10.4 km for 58 m

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5.08 km

Vexin Craft Farm Brewery

Highlight • Other

The best beers in the north-west of Paris (awarded several times at the World Beer Awards). Ideal place for a cool break; o)

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6.69 km

Saint Lucien Church

Highlight • Religious Site

The architecture of the bell tower is not common in the region and the village is magnificent.

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7.84 km

Val d'Oise Archaeological Museum

Highlight • Historical Site

The Val-d'Oise archaeological museum is located in Guiry-en-Vexin, a village in French Vexin, approximately 50 km northwest of Paris. It is located within the Vexin français regional natural park.

It presents chronologically in its eleven rooms spread over two levels the archaeological remains from excavations in the Val d'Oise department. More than 3,000 objects, coins, jewelry, pottery, sculptures, agricultural tools, dating from the Paleolithic to the 20th century are visible, including among others, the most important collection of Merovingian steles in France.

It also keeps more than 30,000 archaeological objects in reserves, for study or valorization purposes. Source Wikipedia

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10.4 km

Guiry-en-Vexin Castle

Highlight • Castle

The castle was built from 1665 for the Marquis André de Guiry according to plans drawn by François Mansart, recovering the foundations of a first building of the sixteenth century destroyed by fire. The architect and the sponsor died in 1666, but the work was however completed by the nephew Jules Hardouin-Mansart. A rare case in history, the estate has remained in the same family for thirteen centuries, that is to say as far back as the first written traces that mention it.

After being listed as historical monuments by decree of July 11, 1942 with its park, the castle, the avenue, the main courtyard, the outbuildings, the orchard and various elements of the park are classified by decree of March 14, 1944; then two constituent parcels of the avenue du château are classified by decree of December 10, 2001. Consequently, the park simply remains registered, and the castle with all the rest of the estate is classified

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