Nestled at the foot of Mount Climie (830 m) north of Upper Hutt, Tunnel Gully Recreation Area is popular for picnics, mountain biking and walking through the remnant native bush. There is plenty of parking, and flush toilets are provided.

Named for its link with the historic Rimutaka Railway between Wellington and the Wairarapa, Tunnel Gully features the 253m long Mangaroa Tunnel, built between 1875 and 1877. The tunnel’s working life ended in November 1955 when the new Rimutaka Tunnel was opened. Tunnel Gully is now a popular spot for walking and tramping, mountain biking, and picnicking.

The shallow water of Collins Stream at the Tunnel Gully Recreation Area is ideal for paddling and swimming for young children. Stream water should be boiled before drinking.

You can download a map of Tunnel Gully from the right hand side of your screen ) that shows the links to the surrounding areas including Kaitoke Regional Park.