La Roche-aux-Fées Tomb

Large prehistoric stone dolmen in Brittany

Megalithic passage tomb on the Brittany plain, featuring a long stone corridor and burial chamber; attracts visitors interested in prehistoric monuments and Bronze/Iron Age archaeology.

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La Roche-aux-Fées at a Glance#

Address: La Roche-aux-Fées, near Essé / Bazouges-la-Pérouse, Ille‑et‑Vilaine, Brittany, France

Website: https://www.bretagne.com/en/ (regional tourism; site information varies)

Hours: Open 24 hours (outdoor site)

Admission: Free (outdoor archaeological site)

About La Roche-aux-Fées#

La Roche-aux-Fées is a large Neolithic gallery grave (dolmen) in Brittany, northwest France, notable for its long covered passage and state of preservation. It dates from the late Neolithic period and is a significant megalithic monument in the region.

The monument consists of a long stone chamber formed from upright orthostats capped by horizontal slabs and was used as a collective burial structure in prehistory. Its scale and preservation make it a key example of megalithic funerary architecture.

Built several millennia ago during the Neolithic, the site has been known and recorded since at least the 18th century and has been a subject of archaeological interest and local preservation efforts. It stands today in an agricultural landscape and is managed as an accessible heritage site.

La Roche-aux-Fées sits in rural Ille-et-Vilaine in Brittany, near small villages and country roads; the site is reached by local roads and short walks from nearby parking areas.

  • Age and type: The monument is a long Neolithic covered gallery grave dating to the late 4th or early 3rd millennium BC and is one of the most complete of its type in northwestern France.
  • Access and visit: The site is easily accessible on foot and is set in open countryside, making daylight visits preferable to see the interior passage clearly.

How to Get to La Roche-aux-Fées#

By car from Rennes: follow the N157 and D163 toward Bazouges-la-Pérouse/Essé (about 40-50 minutes). There is a small parking area beside the field; the dolmen is a short walk from the road. Regional buses serve nearby towns but schedules are infrequent-driving is easiest.

Tips for Visiting La Roche-aux-Fées#

  • Visit at sunrise or late afternoon for soft light on the capstones and to avoid daytime chill/wind.
  • Approach using the rural lanes rather than the main road-there is a small layby and interpretive sign; parking is very limited.
  • Respect the stones: they are fragile and some parts are fenced off; don't climb on capstones.

Best Time to Visit La Roche-aux-Fées#

Best spring and autumn for light, fewer visitors, and good countryside walking; the dolmen is outdoors and accessible year-round.

Spring (Mar-May)
Mar-May · 8-16°C
Fields are green and the megalith catches morning mists; pleasant walking weather.
Summer (Jun-Aug)
Jun-Aug · 16-24°C
Most popular time; combine the dolmen with nearby medieval villages but expect more visitors.
Autumn (Sep-Nov)
Sep-Nov · 8-16°C
Stormier skies and dramatic light on the stones; quieter than summer.

Weather & Climate near La Roche-aux-Fées#

Climate

La Roche-aux-Fées's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in January). Temperatures range from 2°C to 24°C. Moderate rainfall (760 mm/year).

Air Quality: AQI 35 Good
Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
37°
Warmest Month
-11°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor 2° - 8° 2° 73 mm overcast 93% 3.9 m/s 0.1 low 8.8h
February Acceptable 2° - 9° 3° 64 mm overcast 88% 3.9 m/s 0.2 low 10.1h
March Acceptable 4° - 12° 5° 58 mm overcast 84% 4.0 m/s 0.5 moderate 11.8h
April Good 5° - 14° 7° 57 mm partly cloudy 80% 3.9 m/s 0.9 moderate 13.5h
May Good 9° - 18° 13° 67 mm overcast 79% 3.6 m/s 1.3 high 14.9h
June Very Good 11° - 21° 16° 47 mm partly cloudy 76% 3.5 m/s 1.6 very high 15.7h
July Excellent 13° - 24° 19° 40 mm partly cloudy 75% 3.5 m/s 1.6 very high 15.3h
August Very Good 13° - 24° 19° 60 mm partly cloudy 76% 3.2 m/s 1.3 high 14.1h
September Very Good 11° - 21° 16° 56 mm partly cloudy 78% 3.2 m/s 0.9 moderate 12.4h
October Good 8° - 16° 12° 73 mm overcast 86% 3.3 m/s 0.4 low 10.7h
November Acceptable 5° - 11° 6° 93 mm overcast 91% 3.4 m/s 0.2 low 9.2h
December Poor 3° - 9° 3° 72 mm overcast 93% 3.8 m/s 0.1 low 8.3h