This calendar has been compiled by the Hertfordshire Natural History Society (HNHS) on behalf of natural history organisations in Hertfordshire. The type of event is colour coded: Outdoor events, Indoor meetings.

Tue 28 Oct 2025 (7.30pm)

Land Beneath the Waves

Join HNHS member Nic Wilson, a contributor to The Guardian's Country Diary column, as she discusses her new book Land Beneath the Waves. Her talk is part of the  Green Libraries Week celebrations at Welwyn Garden City Library, The Campus West, AL8 6AJ

Organised by: Other

Sat 01 Nov 2025 (10am)

Cheshunt Park for Autumn wildlife and fungi

Park in the large Cheshunt Park Golf Centre car park off Park Lane, which can be busy with golfers/dog walkers. Meet near the golf clubhouse, top of car park. TL348 037, W3W answer.along.papers.

Organised by: British Naturalists Association, Herts Branch

Sun 02 Nov 2025 (9.30am)

King's Meads bird walk

King’s Meads. Meet in the car park, Burgage Lane, Ware at 9.30am. Postcode SG12 9XD.

Organised by: RSPB South East Herts Group

Tue 04 Nov 2025 (10.30am)

Bryophyte Group meeting

Autumn / winter meetings continue as long as light allows.  Details are circulated to the bryophyte group.

Organised by: Hertfordshire Natural History Society

Sun 16 Nov 2025 (10am)

Pirton for general wildlife

 

Park and meet outside the Motte & Bailey pub.TL 14541 31594, W3W almost.bring.petulant.

Organised by: British Naturalists Association, Herts Branch

Tue 09 Dec 2025 (10.30am)

Bryophyte Group meeting

Autumn / winter meetings continue as long as light allows.  Details are circulated to the bryophyte group.

Organised by: Hertfordshire Natural History Society

Sat 13 Dec 2025 (10am)

Scatterdells Wood, Chipperfield

Park and meet in the car park on Chipperfield Common. TL044 015, W3W gasp.wash.chew.

Organised by: British Naturalists Association, Herts Branch