Also known as Brent Resevoir, it takes its name from the Old Welsh Harp pub which stood nearby on the Edgeware Road.
A mixture of water, grassland, marshes and trees covering 400 acres. Designated a site of special scientific interest due to its importance for bird breeding.
Nearest stations:
OG: Hendon 1.38km
UG: Neasden 1.82km
UG: Wembley Park 2.09km
Always check details regarding opening hours, accessibility and pricing before travelling.