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Big Butterfly Count

Help Butterfly Conservation take nature's pulse by joining the Big Butterfly Count.

  • Booking not needed
  • Free event (admission applies)

On your visit to the estate at Trelissick help take nature's pulse by joining in with Butterfly Conservation's Big Butterfly Count.

How many different species will you be able to identify? We'll provide recording sheets for your sightings and this will help us assess the health of the environment.

When you've finished head to the ladder walk and add your sightings to the wildlife board.

Times

Prices

Event ticket prices

This event is free, but normal admission charges apply for the venue.

Check admission prices

The basics

Meeting point

Pick up a recording sheet from visitor reception or the information point in the car park

What to bring and wear

All you'll need is a keen eye for our fluttering friends.

Other

Record your butterfly sightings at Trelissick and submit your result on the Big Butterfly Count website, www.bigbutterflycount.org

Upcoming events

Building Trelissick: from farmhouse to riverside estate 

In a new exhibition in the West Library we explore the story of Trelissick house through the evolution of the building’s architecture.

Event summary

on
22 Jun to 18 Oct 2026
at 11:00 to 16:30+ 118 other dates or times

Cornwall Arthritis Trust: accessible guided walks 

Cornwall Arthritis Trust have partnered with National Trust Trelissick to offer free, accessible guided walks for those less agile (specifically if you have Arthritis or a Musculoskeletal Condition). A 0.5km & 1km route around the garden will be...

Event summary

on
24 Jun to 16 Sep 2026
at 13:00 to 15:00+ 1 other date or time

Cornwall Arthritis Trust: Pilates 

Cornwall Arthritis Trust have partnered with National Trust Trelissick to offer some 'Freedom to Move’ sessions. These include education and tips on how you can live well and keep mobile and active even if you have joint or back pain, as well...

Event summary

on
30 Jun to 22 Sep 2026
at 13:00 to 15:00+ 3 other dates or times

Miracle Theatre presents Peer Gynt 

Summer 2026, Miracle Theatre will bring their magical twist and love of laughter to the classic story of Peer Gynt on the West Lawn at Trelissick.

Event summary

on
1 Jul to 2 Jul 2026
at 18:30 to 20:30+ 1 other date or time