Cadbury Castle, Somerset Archaeological Site

Iron Age hillfort with medieval castle remains

Iron Age hillfort in Somerset near South Cadbury, excavated for Romano‑British layers and tied to Arthurian folklore; visitors walk ramparts, read interpretive displays, and enjoy surrounding countryside views.

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Cadbury Castle, Somerset at a Glance#

Address: Cadbury Castle, Somerton, Somerset, BA4 6NH, United Kingdom

Website: https://historicengland.org.uk/

Hours: Open access (daylight hours)

Admission: Free (site access); English Heritage/English Heritage properties may have parking charges nearby

About Cadbury Castle, Somerset#

Cadbury Castle is an Iron Age hillfort on a prominent hill at South Cadbury in Somerset, England, notable for extensive archaeological remains and its association with Arthurian legend.

Large earthworks of ramparts and ditches define the summit; the site comprises a defended hilltop enclosure with visible banks and gateways and offers panoramic views across the surrounding lowlands. Interpretation panels on site explain key features and the walking route to the summit is a short, well-used path.

The hillfort was built in the Iron Age and shows evidence of heavy use and modification in later periods. Excavations led by Leslie Alcock in the 1960s uncovered earlier prehistoric deposits and a substantial reoccupation in the post-Roman period with timber structures and high-status material remains.

The site sits above the village of South Cadbury in south Somerset, close to the small market town of Castle Cary and within rural agricultural landscape. Public access is via local footpaths from the village and nearby lanes.

  • Summit views: The hilltop gives wide views across the Somerset Levels and is a popular short walk from the nearby village.
  • Important excavations: The site was excavated in the 1960s by archaeologist Leslie Alcock, who revealed significant post-Roman occupation evidence.

How to Get to Cadbury Castle, Somerset#

Cadbury Castle is near the village of South Cadbury, Somerset, a short drive from Yeovil and approximately 20-30 minutes from the A303. Local lanes and small car parks service the site; consult local signage and the South Cadbury community for parking details.

Tips for Visiting Cadbury Castle, Somerset#

  • Walk the outer ramparts early to appreciate the scale of the Iron Age earthworks and the long views over the Somerset levels.
  • Visit the interpretation boards that explain the multiple phases of occupation - Bronze Age, Iron Age, and later medieval reuse.
  • The summit can be exposed and windy; dress in layers.

Best Time to Visit Cadbury Castle, Somerset#

Best in the warmer months for comfortable walking and clearer views.

Spring-Autumn
April-October · 8-20°C
Good for walking and seeing the hillfort in pleasant light and conditions.
Winter
November-February · 0-8°C
Quieter but wetter and windier; paths may be muddy.

Weather & Climate near Cadbury Castle, Somerset#

Climate

Cadbury Castle, Somerset's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in February). Temperatures range from 2°C to 21°C. Moderate rainfall (803 mm/year).

Air Quality: AQI 35 Good
Best Time to Visit
JulyMayJune
Temperature & Rainfall
Temperature Range
33°
Warmest Month
-8°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor 2° - 8° 1° 85 mm overcast 94% 4.6 m/s 0.1 low 8.2h
February Poor 2° - 8° 1° 63 mm overcast 92% 4.4 m/s 0.1 low 9.8h
March Acceptable 3° - 10° 3° 64 mm overcast 89% 4.4 m/s 0.4 low 11.7h
April Acceptable 4° - 12° 5° 53 mm overcast 85% 4.0 m/s 0.8 moderate 13.7h
May Good 7° - 16° 11° 56 mm overcast 82% 3.8 m/s 1.1 high 15.4h
June Good 10° - 19° 14° 59 mm overcast 81% 3.5 m/s 1.4 high 16.3h
July Good 12° - 21° 16° 52 mm overcast 78% 3.4 m/s 1.3 high 15.9h
August Good 12° - 21° 16° 61 mm overcast 80% 3.2 m/s 1.0 high 14.4h
September Good 10° - 18° 14° 70 mm overcast 82% 3.4 m/s 0.7 moderate 12.5h
October Acceptable 7° - 14° 11° 74 mm overcast 88% 3.8 m/s 0.3 low 10.5h
November Acceptable 4° - 11° 5° 76 mm overcast 93% 3.9 m/s 0.1 low 8.7h
December Poor 3° - 9° 3° 90 mm overcast 95% 4.3 m/s 0.0 low 7.7h

Nearby Attractions to Cadbury Castle, Somerset#