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.
Sat 07 Nov 2026 (2 - 5.30pm)
HNHS Autumn Meeting and AGM
The Society's Autumn Meeting and 151st AGM will take place at the offices of Affinity Water, Tamblin Way, Hatfield, AL10 9EZ.
Organised by: Hertfordshire Natural History Society
Tue 17 Nov 2026 (10:30)
Bryophyte field meeting 2/4
Usually meeting on-site at 10.30 a.m. and continuing into the afternoon as long as light conditions allow. Please contact Agneta Burton at mas.burton@btinternet.com for joining details.
Organised by: Other
Tue 08 Dec 2026 (10:30)
Bryophyte field meeting 3/4
Usually meeting on-site at 10.30 a.m. and continuing into the afternoon as long as light conditions allow. Please contact Agneta Burton at mas.burton@btinternet.com for joining details.
Organised by: Other
Tue 26 Jan 2027 (10:30)
Bryophyte field meeting 4/4
Usually meeting on-site at 10.30 a.m. and continuing into the afternoon as long as light conditions allow. Please contact Agneta Burton at mas.burton@btinternet.com for joining details.
Organised by: Other
Sat 06 Mar 2027 (2 - 5.30pm)
2027 Hertfordshire Bird Conference
The 2027 Hertfordshire Bird Conference will take place on Saturday 6 March at the offices of Affinity Water, Tamblin Way, Hatfield AL10 9EZ.
Organised by: Herts Bird Club