Short answer: Cornwall's half term is Monday 26 to Friday 30 October 2026. From Mevagissey, the Lost Gardens of Heligan (1.5 miles) runs Halloween at Heligan from 24 October to 1 November, with falconry and storytelling included in entry; Eden's Halloweden is 25 minutes away, also included in entry. In the village, there's the harbour, the free aquarium and the model railway.
Mevagissey is a great half-term base: a working harbour to explore, Heligan on the doorstep and Eden a short drive away, both with Halloween programmes.
Monday 26 to Friday 30 October 2026 for Cornwall Council schools; academies may differ. The attractions' half-term programmes run Saturday 24 October to Sunday 1 November.
The Lost Gardens of Heligan, about 1.5 miles away, runs Halloween at Heligan from 24 October to 1 November. Falconry shows and darker storytelling are included in entry. Older kids (8+) can book ghost tours (£15). Full details: Halloween at Heligan 2026.
About 25 minutes' drive. Halloweden runs 24 October to 1 November, 10am–5pm, included in admission: a Freaky Fungi trail with craft, a UV glow room, live music and a Halloween party on Saturday 31 October. Adult tickets are £35.50 online, children (5–15) £12.50, under-5s free. Halloweden 2026.
The Pentewan Valley trail is mostly traffic-free, linking Pentewan, Heligan and Mevagissey. Pentewan Valley Cycle Hire has e-bikes and dog trailers; check hours before you go. Mevagissey to Heligan by bike.
Wheal Martyn near St Austell runs a Spooky Eye Spy Trail from 24 October to 2 November, included in admission.
Mevagissey rainy day · St Austell rainy day.
More: half term across Cornwall · Halloween events · the Mevagissey guide.
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