Josselin Castle Castle

Medieval Breton castle with ornate chapel and gardens

A château on the Oust River in Brittany with medieval and Renaissance elements, a chapel and riverside walks; tourists come for guided tours and the old-town setting.

Main image

Josselin Castle at a Glance#

Address: Josselin Castle, Place du Château, 56120 Josselin, France

Website: https://www.chateau-josselin.com/

Hours: Generally open seasonally (spring-autumn); check local tourist office for exact hours

Admission: Castle grounds and gardens free to enter; interior tours and museum spaces may charge small fees

About Josselin Castle#

Josselin Castle (Château de Josselin) is a fortified castle in the town of Josselin in Brittany, France, that overlooks the River Oust. It has medieval origins and later Renaissance and classical modifications associated with the Rohan family.

The site presents a prominent riverside silhouette of towers and ramparts and offers interior rooms and chapel spaces open on guided visits. Visitors commonly view the exterior from riverbanks and town promenades and explore parts of the castle interiors that preserve family and regional history.

The castle’s defensive keep, towers and facades show construction phases spanning the medieval and early modern periods, and the surrounding gardens and town setting add to the visitor experience. Seasonal opening times apply for interior access and guided tours.

Originally constructed in the medieval era and expanded and remodeled over subsequent centuries, the castle became the seat of the Dukes of Rohan and underwent restorations that introduced Renaissance features and later decorative work. Ownership and functions evolved, but the site retained its role as a regional noble residence.

Located in the center of Josselin in Brittany, the castle stands on the banks of the River Oust and is accessible from nearby regional towns and roads in Morbihan.

  • Historic timeline: Founded in the medieval period and long associated with the Rohan family, the castle combines defensive 14th-century structures with 16th and 17th-century architectural additions and decorative work.

What to See#

  • The Château: Main fortified residence and curtain of towers facing the town and the River Oust, with visible medieval defensive features and later decorative work from Renaissance restorations.
  • Rohan chapel and interiors: A chapel and interior rooms that contain family memorials and decorative elements associated with the Dukes of Rohan and later occupants; some rooms are open to guided tours.

How to Get to Josselin Castle#

Josselin is about 50 km north of Vannes and 70 km south of Rennes. Drive via regional roads (D22/D767) or use regional trains to nearby stations (Loudéac or Ploërmel) and local buses or taxis to reach Josselin town center.

Tips for Visiting Josselin Castle#

  • Climb the castle's keep for panoramic views of the Oust River valley.
  • Visit during the town's spring festival or for guided tours that describe the castle's role in Breton history.
  • Check seasonal opening times for interior rooms - some areas close in winter.

Best Time to Visit Josselin Castle#

Late spring through early autumn is best for visiting the castle and enjoying gardens and town festivals.

Spring/Summer
April-August · 12-25°C (54-77°F)
Gardens in bloom and full program of events; best time for river views and festivals.
Autumn
September-October · 10-18°C (50-64°F)
Quieter visits and autumnal colors around the Oust.

Weather & Climate near Josselin Castle#

Climate

Josselin Castle's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in August) and cold winters (coldest in January). Temperatures range from 4°C to 22°C. Moderate rainfall (852 mm/year).

Air Quality: AQI 35 Good
Best Time to Visit
AugustJuneJuly
Temperature & Rainfall
Temperature Range
39°
Warmest Month
-10°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Acceptable 4° - 9° 4° 94 mm overcast 92% 3.8 m/s 0.1 low 8.8h
February Acceptable 4° - 10° 4° 76 mm overcast 89% 3.8 m/s 0.2 low 10.1h
March Acceptable 5° - 12° 6° 67 mm partly cloudy 85% 3.9 m/s 0.5 moderate 11.8h
April Good 7° - 13° 8° 59 mm partly cloudy 81% 4.0 m/s 1.0 moderate 13.5h
May Good 10° - 17° 13° 65 mm partly cloudy 79% 3.7 m/s 1.4 high 14.9h
June Very Good 12° - 19° 16° 48 mm partly cloudy 77% 3.5 m/s 1.7 very high 15.7h
July Very Good 14° - 22° 18° 45 mm partly cloudy 74% 3.5 m/s 1.7 very high 15.3h
August Excellent 14° - 22° 18° 48 mm partly cloudy 74% 3.2 m/s 1.3 high 14.1h
September Very Good 12° - 20° 16° 68 mm partly cloudy 76% 3.2 m/s 0.9 moderate 12.4h
October Good 10° - 16° 13° 86 mm partly cloudy 85% 3.3 m/s 0.4 low 10.7h
November Acceptable 7° - 12° 8° 101 mm overcast 90% 3.2 m/s 0.2 low 9.2h
December Acceptable 5° - 10° 5° 95 mm overcast 93% 3.7 m/s 0.1 low 8.3h