Is not open to visitors (except, occasionally, on Heritage days in September, according to the owner’s wish).
The upper part of that tower, which used to be the watchtower in the military past of the city, only dates back to the early 19th century. However, the tower still has a cellar, as well as intersecting ribs on the groundfloor, which point out medieval origin.
Crosne was the name of an administrator of the province of Rouen in the 18th century, and was the landlord of Crosne fief in Vexin.
A small green space, rue Henri-Prieur, overlooks the Seine valley, down to Freneuse and Sotteville-sous-le-Val. It’s an ideal shaded spot for a picnic or for a short rest.