Wassand Hall, entrance on the A1035, first right after Seaton driving towards Hornsea.
Join in the big butterfly count, collect a sheet and help towards the count. 2nd, 3rd, 4th and 6th August, 2-5pm.
Entry free for under 10s, £4.50 per adult entry into the walled garden, grounds and walks (£6.50 with house entry too).