Corseul, the capital of the Curiosolites

Corseul once was the capital of the Curiosolites.

Corseul - Monterfil District
Monterfil District

Four Gallic tribes once inhabited present day department of Côtes d’Armor:

Curiosolites, Lexobiens, Ambiliates and Osismiens.

In 58BC they allied in order to resist the Roman invaders, but were defeated.

Corseul became a major Gallo-Roman town and therefore boasts a wealth of vestiges.

The small town is located 11km north-west of the historic city of Dinan and is really worth the detour.

Corseul, a thriving Gallo-Roman town

The Romans integrated ancient Brittany (Armorica) to their Province Lyonnaise and the Curiosolites’ capital became known as Civitas Fanum Martis.

Temple of Mars in Corseul
Temple of Mars

Gauls and Romans enjoyed peace and prosperity for the next two centuries and gave rise to a thriving Gallo-Roman culture.

Antic Corseul consequently became a flourishing town with a population of over 5,000 inhabitants.

The impressive road network of the time show that it was undoubtedly the region’s major town.

Extensive vestiges of the 20-24ft wide roads that led to Dinan, Dinard, Jugon les Lacs and Quintin were indeed uncovered.

The civitas unfolded on the site of the modern town and surrounding countryside.

Countless monuments and villas were indeed excavated in and around Corseul.

Sadly, Corseul declined slowly after the Fall of the Roman Empire (Late 5th century.)

Today this charming and dynamic town has a population of 2000 inhabitants.

However, multitude of vestiges, buried or forgotten, gradually reappear from the city’s distant heyday.

Sanctuaire du Haut Bécherel – Temple of Mars

The Temple of Mars or Sanctuaire du Haut Bécherel is one of these amazing vestiges.

Corseul - Temple de Mars
Temple de Mars

It stood on a prominent hill, some 1.7km from the city centre, along the road leading to Dinan and Dinard.

The temple was of course a place of worship, but also a place of pilgrimage, a gathering place for all the people of Brittany.

Its importance indeed reflected the influence of the Curiosolites.

The famous Roman architect Vitruvius built the sanctuary in the late 1st century AD.

However, all that is left are the buildings foundations and the temple’s walls.

Excavations indeed uncovered that it burned, most likely during the barbaric invasions of the late 3rd century AD.

The enclosure’s impressive dimensions make it the largest Gallo-Roman temple known to this day in France.

A flight of steps led to two entrance pavilions that opened onto the 5000m ² sacred area.

Corseul - Temple de Mars model
Temple de Mars model

Porticoes delineated it on three sides and a solid wall (on the eastern side) linked the entrance pavilions.

Semi circular pavilions (exedres) opened the lateral porticoes and sheltered a stone bench where pilgrims could rest.

The cella (temple) and its vestibule (pronaos) occupied the centre of the western portico;  two altars framed it.

The priests and officials were the only members authorized to access the shrine, the religious heart of the temple.

All that is left of this 22m high tower is a 10.60m high section.

However, this is still the highest Roman masonry wall known to date in Brittany.

Monterfil District – Jardin des Antiques and Column of Jupiter

Ancient travelers who came from Rennes and St-Malo passed near the Temple of Mars.

Corseul - Monterfil District - Column of Jupiter in Jardin des Antiques
Monterfil District – Column of Jupiter in Jardin des Antiques

The main road then took them downtown via the Monterfil District, the merchant district.

Monterfil was built on a traditional Roman grid plan.

Two main perpendicular lanes crossed the 10m wide main street and delineated the blocks or insulae.

Monterfil was built in the 1st century BC and remained active until the late 3rd century AD when it burned.

The vestiges are now part of an elegant public garden, Le Jardin des Antiques.

As you stroll along the site, you have to imagine this peaceful garden as a once busy district.

It was indeed the place where goods from surrounding farms and Breton provinces, or distant countries, were unloaded and stored.

Corseul - Monterfil District model
Monterfil District model

A large warehouse and countless shops and workshops lined the main street.

The basilica stood on the opposite pavement and was framed with more shops, as it was the traders and artisans’ gathering place.

The vestiges of the Tuscan style colonnades that supported the porticoes are still visible.

All that is left of Monterfil’s buildings are their foundations, a few staircases and courtyards, the well and an hypocaust.

However, many objects, pottery, tools and a large collection of coins were also uncovered during the various excavations.

The vestiges of a wealthy merchant’s villa were uncovered some 100m from the city centre.

The Domus du Champ Mulon, dates from the 1st century AD but baths were later built on the mansion’s western side.

Musée Suzanne Guidon

The Musée Suzanne Guidon is located on the second floor of the town hall and is worth the visit.

Corseul - Former entrance to Temple de Mars enclosure
Former entrance to Temple de Mars enclosure

It indeed exhibits all the artifacts found during the excavations.

The town hall courtyard is an open-air lapidary museum.

Countless vestiges of columns and carved boulders are scattered among the flowerbeds and lawns.

This is where you’ll find the Colonne du Jardin des Antiques.

This granite column is adorned with superb carvings.

It is  also known as Colonne de Jupiter because it was once topped with a statue of the kings of all gods.

Stele of Silicia

As antic Corseul slowly fell into oblivion, so did the ruined district and the Gallo-Roman necropolis.

Corseul - Stele of Silicia
Stele of Silicia

The latter eventually became a stone quarry and the tombstones re-used as building material!

The church, which dates from 1836, was built with recycled stones!

At the time, no one indeed cared much about the historical value of ancient monuments, as they were just considered a cheap source of already cut stones.

The funeral stele of Silicia Namgidde was therefore re-used as the base of the church pillar.

It is still engraved with her epitaph and tells us about her.

Silicia was a Carthaginian; she died at the age of 65 while visiting her son who was stationed in Corseul.

This stele has fortunately been listed Historical Monument.

The excavations continue and it is likely that in the years to come new monuments and objects will re-appear!

Department of Côtes d’Armor
Corseul Monterfil: Lat 48.481134 – Long -2.166620
Mars Temple: Lat 48.471938 – Long -2.146156
Follow the D794 towards La Bezardais – The site is about 500m from Corseul to your right after a farm track

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