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.

Sun 21 Jul 2019 (2pm - 4pm)

Native trees – and what feeds on them

Highfield Park, St Albans

This introductory-level event will begin with a short talk at the Highfield Park Visitor Centre. Following the talk, attendees will have the opportunity to go on a guided walk of the park to demonstrate how what has been learned can be put into practice. This event is suitable for adults, as well as accompanied teenagers who are looking to learn more about the natural world.

You will need to book a ticket in order to attend, because space is limited at the Highfield Park Visitor Centre.

Organised by: Other

Sat 27 Jul 2019 (10.30)

Birchanger Woods

HNHS members are welcome to this meeting organised by the Essex Field Club. Parking available at TL497227 CM23 3BJ  For further information about the woods visit the Birchanger Trust's website.

Email Fiona Hutchins: or  call / text  07581 178 707

Organised by: Other

Sun 04 Aug 2019 (8am - 10.15am)

Harpenden Lea Valley Walk

Guided walk along the River Lea identifying local birds, led by John Taylor.

Meet on the bridge over the River Lea near the 'Marquis of Granby' at the junction of Crabtree Lane and Marquis Lane.

Free but a £1 donation for the RSPB would be appreciated.

Organised by: RSPB Harpenden Local Group

Fri 16 Aug 2019 (8.15pm - 9.30pm)

Bat Night

Highfield Park, St Albans

The event will begin with a short talk at the Highfield Park Visitor Centre. Following the talk, attendees will have the opportunity to go on a guided bat walk in the park to put what has been learned into practice. This event is suitable for adults, as well as accompanied children who are looking to learn more about the natural world.

You will need to book a ticket in order to attend, because space is limited at the Highfield Park Visitor Centre.

Organised by: Other

Sun 18 Aug 2019 (2pm - 4pm)

Habitats and microhabitats in Highfield Park and the surrounding area

Highfield Park, St Albans

This introductory-level event will begin with a short talk at the Highfield Park Visitor Centre. Following the talk, attendees will have the opportunity to go on a guided walk of the park to demonstrate how what has been learned can be put into practice. This event is suitable for adults, as well as accompanied teenagers who are looking to learn more about the natural world.

You will need to book a ticket in order to attend, because space is limited at the Highfield Park Visitor Centre.

Organised by: Other

Fri 13 Sep 2019 (7.15pm - 8.30pm)

Bat Night

Highfield Park, St Albans

The event will begin with a short talk at the Highfield Park Visitor Centre. Following the talk, attendees will have the opportunity to go on a guided bat walk in the park to put what has been learned into practice. This event is suitable for adults, as well as accompanied children who are looking to learn more about the natural world.

You will need to book a ticket in order to attend, because space is limited at the Highfield Park Visitor Centre.

Organised by: Other

Wed 18 Sep 2019 (10.15 – 4pm)

Visit to Tring Reservoirs

Organised by: RSPB Harpenden Local Group

Wed 27 Nov 2019 (8pm)

Gerald Salisbury Memorial Lecture

The annual lecture, organised jointly by Welwyn Natural History Society and HNHS, will take place at Welwyn Civic Centre, Civic Centre, Prospect Place, Welwyn, AL6 9EN

Speaker t.b.a

Organised by: Hertfordshire Natural History Society

Wed 18 Dec 2019 (10am)

Christmas walk from Batford Springs to Leasey Bridge

A walk along the Lea Valley from Batford Springs to Leasey Bridge and return. Followed by an optional lunch at a local pub.

Harpenden, meet by the bridge across the River Lea at Batford Springs .

Please tell Geoff Horn in advance if you wish to join the lunch (geoffrhorn@yahoo.co.uk).

Organised by: RSPB Harpenden Local Group