Old Park Wood Nature Reserve

Old Park Wood Nature Reserve  © Claire Grey

Possibly the most varied piece of woodland in Middlesex, with fantastic wildflower displays in spring.


Behind Harefield Hospital

OS Map Reference

TQ 049 913
A static map of Old Park Wood

Know before you go

8 hectares

Parking information

No official parking. There is limited parking near the allotments on Hill End Road.


Uneven woodland path.


Under effective control

When to visit

Opening times

Open at all times

Best time to visit

April to July

About the reserve

The highlight of the wood is the abundance of flowers in spring. Bluebells form a stunning carpet, along with yellow archangel, lesser celandine, wood anemone and the uncommon coralroot bittercress. Golden saxifrage and marsh marigolds grow on stream banks and around the pond. The wood is rich in invertebrates and birds, including all three British species of woodpecker.

Seasonal Highlights
 Blackcap, bluebell, coralroot bittercress, great spotted woodpecker.
Summer: Fly agaric fungi, redwing, tawny owl.
Autumn/ Winter: Brown and migrant hawker dragonfly, speckled wood butterfly.

Environmental designation

Site of Special Scientific Interest (SSSI)


Site entrance:There are public footpaths to the site’s entrance from
Hill End Road and Bellevue Terrace.

Access by road: From Harefield High Street head north onto Rickmansworth Road. After 0.1 miles turn left onto Hill End Road. The reserve is around 0.2 miles, past Harefield Hospital, along a public footpath on the left.

Access by public transport
R1, R2, U9 – Harefield Hospital (0.5 miles).
Rail: Northwood Rail Station (3.5 miles).

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Support our nature reserves

It costs on average £30 per month to care for each acre of our nature reserves.