TCV
Connecting people and green spaces
Brown Hairstreak Butterfly Egg Survey
An activity with Biodiversity Action Team (North London)
Activity date: Saturday 10th January 2026
Start time: 10:00
Finish time: 12:00
Activity description
Join us at Welsh Harp where we will be learning about the Brown Hairstreak Butterfly and doing an egg survey to see how many we have on site!
Meeting place
Meet at the Phoenix Canoe Club (NW9 7ND)
what3words meeting point: ///skip.navy.crash
Activity location
Welsh Harp Open Space (Barnet), Welsh Harp Open Space Cool Oak Ln London NW9 7ND, NW9 7ND
Site description
A reservoir surrounded by reed beds, ponds and canals. Areas of woodland, grassland and scrubland can also be found within the open space.
Giant hogweed present.
Pick Up Point
Contact
Saskia Warren
Telephone: 07740899620
Email: Saskia.Warren@tcv.org.uk
Website: www.tcv.org.uk/batnorth
Please bring
- suitable outdoor clothes
- suitable outdoor footwear
Further info
If you are under 18 you must either be accompanied by a garden or have consent from your guardian. Please contact Saskia ahead of the session if this is the case.
Site Facilities
- Picnic Area
- Toilets
- Nearest Toilets - Phoenix Canoe Club