Conflans-Sainte-Honorine, a town in northern France, lies at the meeting point of the Seine and Oise rivers. This geographical setting has shaped its history, particularly its role in river transport. The town is home to the Museum of River Transport, located in the Prieuré Castle, a structure commissioned by Jules Gévelot, a wealthy industrialist and former mayor. A distinctive feature of the castle is the bow of a barge, symbolizing the town’s connection to river-based commerce. The museum has been in this location since 1966. The origins of Conflans-Sainte-Honorine date back to the 9th century, when local residents sought protection from Viking raids by invoking Sainte Honorine, whose relics are now housed in the Saint-Maclou church. Inside the church, two stained-glass windows installed in 2015 showcase the work of Élise Oudin Gilles, an artist known for her elegant and human-like designs. Along the Seine’s banks, the barge Je sers stands as a historical relic. Launched in 1919, it was initially used to transport coal but was later repurposed as a Catholic social aid center, now helping undocumented individuals. Visitors can tour the barge’s chapel and a small café. A walk along the river leads to the forest of Saint-Germain-en-Laye, where the Corra pond — a former sand quarry now turned public beach — is managed by the National Forestry Office. The forest's paths, once used by royalty for hunting, include the pavilion of the Muette, a hunting lodge designed by Ange-Jacques Gabriel, the first architect of Louis XV. The pavilion is now used for private events and was mentioned in the Memoirs of Beyond the Tomb by François-René de Chateaubriand. The Île-de-France Green Belt offers a scenic hiking trail that stretches 14 kilometers from Conflans-Sainte-Honorine station to Maisons-Laffitte station, taking about three hours and 20 minutes. The Museum of River Transport and Canals has specific visiting hours and admission fees, while the pavilion of the Muette requires a reservation for access. For those seeking local cuisine, the restaurant O’Barcaiolo offers dishes inspired by Lusitanian, or Portuguese, culinary traditions.