Wildfire risk

With wildfire risk currently extremely high, we urge visitors to take extra care by avoiding any activity that could start a fire and immediately reporting any signs of smoke or fire to 999 to help protect people and wildlife. Please note, some of our nature reserves are closed due to wildfires, please check before you travel.

Advice on wildfire preventionThu 30 July 2026 12:00

About

Where the River Great Ouse spills into the Cambridgeshire Fens, a reedbed is coming to life. We are working with Brice Aggregates to transform a working sand and gravel quarry into Ouse Fen nature reserve.

The reserve is being created in reedbed blocks, with pools of open water linked by ditches and channels, allowing wildlife to move freely. Once complete, the whole wetland will stretch 700 hectares and include the largest reedbed in the UK, spanning 460 hectares.

So far, Ouse Fen has already attracted a wealth of wildlife: species that were once common in the Fens are returning here to feed and breed. Swaying reedbeds are home to Marsh Harriers, Bearded Tits, Otters and the secretive Bittern. A visit at dawn or dusk may reveal a Barn Owl hunting over the grassland and scrubby margins. Ducks, grebes, swans and wading birds gather on the floodplain wetlands from autumn through to the spring.

Watch the amazing courtship ritual of Great Crested Grebes on the open water in spring, while summer is the best time to spot Reed Buntings at their best. Marsh Harriers and Little Egrets are a regular sight here, and Bearded Tits can often be seen balancing on the top of the reeds.

At a glance

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Aerial image of RSPB Ouse Fen Nature Reserve, Cambridgeshire
RSPB Ouse Fen Nature Reserve
Events at Ouse Fen

Discover exciting events at Ouse Fen.

Downloadable trail maps

Circular walks

Download these 4 circular walks to and from the reserve:

Contact Ouse Fen