Off to the Yvelines (78) for the Fête Médiévale Endesumar, which sets up its tents in the grounds of the Château de Rangiport in Gargenville, on September 12 and 13, 2026. We spent Saturday on site, surrounded by wool tunics and the scent of wood-burning fires, and here’s what we saw. Good news for latecomers: this Viking encampment is still open on Sunday.
Beyond the gate, the scene shifts in a hurry. Beige canvas tents line up under the park’s trees, painted shields rest against the stakes, and pots warm on fires dug directly into the earth.
What stands out is that the reenactors actually live there for the entire weekend. They cook, sew, carve wood, and are happy to pause to answer questions from curious visitors.
Our top pick is the Saturday night fire show, where the jugglers take over as night falls. The flames skim the faces of the front row, and the mood shifts in an instant to something much more ceremonial. Absolutely worth a detour.
The activities run non-stop from morning to night. Here’s what will set the pace for the two days:
Sunday brings back most of the daytime lineup: the Ragnarök battle, a glima tournament, archery and axe-throwing workshops, a market, and camp life. Only the nocturnal entertainments—dance and a fire show—remained the preserve of Saturday night.
Our advice after day one: aim to arrive early in the afternoon to follow the demonstrations at a relaxed pace, and bring closed-toe shoes. The park is grassy, and the ground quickly becomes soft underfoot.
The Ivar Clan is a historical reenactment group based in Gargenville, founded in 2018. It brings together about twenty enthusiasts who bring to life the everyday life of Scandinavia from the 9th to the 11th century.
His name comes from Ivar Ragnarsson, known as Ivar the Boneless, a Viking chieftain and son of the legendary Ragnar Lothbrok. The group's work draws on historical and archaeological sources, which is evident in the fine details of the costumes and artifacts on display.
The festival takes place this Sunday, September 13, 2026, from 10 a.m. to 6 p.m. in the park of the château, built in 1727 and today owned by the town. Admission is 5 euros for visitors aged 12 and over, with free entry for younger children. Tickets are purchased on site—there is no advance sale.
Gargenville sits in the Seine valley, about forty kilometers west of Paris, on the doorstep of the Vexin Français Regional Nature Park. Plan roughly an hour by car via the A13 from the capital. A drinks stall and eating options let you dine on site with period-inspired fare, enough to last until the afternoon battle. For any last‑minute changes, keep an eye on the festival’s official Facebook page.
The outing works especially well for families: the kids throw themselves into the battle, test the bow, and walk away with stars in their eyes. History and Nordic culture enthusiasts will find real exchanges with the reenactors, far from cheap folklore.
One thing to keep in mind before you hit the road: if you’re hoping for armored knights and jousting, that’s not Endesumar’s vibe. The festival centers on the Viking world, and that’s precisely what gives it its distinctive character. Another note: the event only returns every other year.
Want to extend the time-travel vibe? The Saint-Fiacre Festival in La Ville-du-Bois is also on this Sunday, September 13, 2026, and our guide to the 2026 medieval fêtes in Île-de-France covers additional events for the season. For the rest of the weekend, pull from our picks for what to do in Yvelines (78).
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Dates and Opening Time
From September 12, 2026 to September 13, 2026
Location
Rangiport Castle
1 Avenue Victor Hugo
78440 Gargenville
Route planner
Prices
Tarifs: €5 - €7
Recommended age
For all
