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Arzon

Butte de César

Highlight • Historical Site

Butte de César

Hiking

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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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Parc naturel régional du Golfe du Morbihan

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    Tips

    August 9, 2023

    Hiking

    Caesar's Mound is a tumulus 56 meters in diameter and 18 meters high. This pile of stones, covered with a layer of silt and black earth, was explored in 1853. Classified as a historical monument in 1926, the tumulus was the subject of further excavations and work in 1934, which uncovered several secondary burials.
    Unfortunately, the tumulus is currently closed indefinitely due to the risk of collapse.
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    June 2, 2024

    Hiking

    The Tumiac tumulus is located in Arzon, on the Rhuys peninsula, south of the Gulf of Morbihan, in Brittany. It is also known as Caesar's Mound because, according to local legend, it served as an observatory for Julius Caesar during his war against the Veneti in 56 BC. This building belongs to the large "Carnacean" tumulus, burials of Neolithic elites, such as the Saint-Michel tumulus, in Carnac, and the Ruyk tumulus, in Locmariaquer.
    fr.m.wikipedia.org/wiki/Tumulus_de_Tumiac
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    Hard

    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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    Elevation 20 m

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    Max wind speed: 17.0 km/h

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    Location: Arzon, Vannes, Brittany, France

    Frequently Asked Questions

    What is the current accessibility status of the Butte de César's interior?

    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.

    Is the Butte de César suitable for a winter hike, and what are the conditions like?

    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.

    How crowded does the Butte de César get on weekends or during peak season?

    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.

    Are there any specific rules for visiting with dogs at Butte de César?

    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.

    What are the parking options available for visitors to Butte de César?

    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.

    What is the actual elevation and diameter of the Tumulus de Tumiac?

    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.

    Is the Butte de César accessible for individuals using wheelchairs or strollers?

    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.

    What are some recommended nearby cafes or restaurants in Arzon after visiting the site?

    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.

    What is the historical significance of the artifacts found at 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.

    Are there any circular walking routes that include the Butte de César?

    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.

    How long does it typically take to visit the Butte de César?

    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.

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