Highlight • Historical Site
Hiking
5.0
(12)
The Butte de César, officially known as Tumulus de Tumiac, is a significant Neolithic burial mound and historical site located in the commune of Arzon, on the picturesque Rhuys peninsula in the Morbihan department of Brittany, France. This impressive ancient monument, classified as a Monument Historique, stands approximately 18 to 20 meters high with a diameter of around 86 meters, offering a tangible link to the region's prehistoric past. It is a prominent landmark within the stunning natural setting of…
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Tips
August 9, 2023
Hiking
June 2, 2024
Hiking
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Nearby routes
Best routes near Butte de César
4.8
(24)
144
hikers
28.4km
07:16
110m
110m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.6
(11)
74
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.8
(8)
73
hikers
18.5km
04:45
80m
80m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
Details
Informations
Elevation 20 m
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Sunday 15 March
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Max wind speed: 17.0 km/h
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The interior of the Butte de César, including its burial chambers, is currently closed indefinitely to the public due to instability and the risk of collapse. Visitors can still explore the exterior and the surrounding area.
While the Butte de César itself is a short ascent, the surrounding Rhuys peninsula offers pleasant winter hiking conditions, often milder than inland areas. However, paths can be muddy after rain, and strong winds are possible, especially near the coast. Dress in layers and wear appropriate footwear.
The Butte de César can attract a fair number of visitors, especially on sunny weekends and during the summer months. To enjoy a more tranquil experience and easier parking, it's advisable to visit early in the morning or later in the afternoon.
Dogs are generally welcome on the paths around the Butte de César and on the Rhuys peninsula, but they should always be kept on a leash. Please ensure you clean up after your pet to maintain the site's cleanliness for all visitors.
There is a dedicated parking area conveniently located near the Butte de César, just off the D780 road leading to Arzon. As mentioned in visitor tips, parking can fill up quickly, particularly during peak times, so arriving early is recommended.
The Tumulus de Tumiac, or Butte de César, stands approximately 18 to 20 meters (59-66 feet) high. Its diameter is around 86 meters (282 feet), though some historical sources mention variations like 50 or 56 meters.
While there is a path leading from the parking area to the base of the tumulus, the ascent to the top involves a sloped, unpaved path that may be challenging for wheelchairs or strollers. The immediate surroundings are generally accessible, but reaching the summit might be difficult.
Arzon, being a popular coastal town, offers a variety of cafes and restaurants. You'll find options ranging from casual creperies to seafood restaurants, particularly around the port areas like Port du Crouesty or Port Navalo, which are a short drive from the Butte de César.
Archaeological excavations in 1853 and 1934 uncovered significant Neolithic artifacts, including a variscite ornament, callaïs beads, and jadeite axes. These findings suggest that the individuals buried within the tumulus held a high social rank, providing valuable insights into the social structures of ancient Brittany. Many of these artifacts are now displayed at the Archaeological Museum of Vannes.
Yes, the Butte de César is often incorporated into longer circular walks that explore the scenic Rhuys peninsula. These routes typically combine coastal paths with inland trails, offering diverse views of the Gulf of Morbihan and the surrounding countryside. You can find various options for these walks starting from Arzon or nearby villages.
A visit to the Butte de César itself, including the walk from the parking area and time to enjoy the views from the base (as the interior is closed), typically takes about 30 minutes to an hour. If you combine it with a longer walk on the surrounding trails, your visit could extend for several hours.