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RSPB Ouse Fen Nature Reserve

Explore the UK’s largest reedbed at RSPB Ouse Fen, a tranquil wetland reserve alive with rare birds and rich wildlife near Cambridge.

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RSPB Ouse Fen is a vast and evolving wetland nature reserve near Cambridge, transforming a former sand and gravel quarry into the UK's largest reedbed habitat. Spanning hundreds of hectares, it offers peaceful trails, rich birdlife including bitterns, marsh harriers, and common cranes, plus unique wildlife like Chinese water deer. Free to enter, it provides a serene escape for nature lovers and birdwatchers with accessible paths, picnic areas, and stunning seasonal wildlife displays.

A brief summary to RSPB Ouse Fen Nature Reserve

  • Long Holme Drove, Cambridge, Over, CB24, GB
  • Duration: 1 to 4 hours
  • Free
  • Environment icon Outdoor
  • Mobile reception: 4 out of 5

Local tips

  • Bring binoculars for the best birdwatching experience, especially to spot bitterns and marsh harriers.
  • Wear sturdy footwear as trails can be grassy, uneven, and muddy after rain.
  • Visit at dawn or dusk for a higher chance of seeing elusive wildlife like barn owls and bitterns.
  • Use the accessible viewpoint near the entrance for a short, easy walk with great views.
  • Keep dogs on a lead to protect sensitive habitats and wildlife.
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Getting There

  • Car

    Drive to Ouse Fen via the B1050 between Earith and Willingham, approximately 20 minutes from the A14. Parking is free but limited to 40 spaces plus 6 for blue badge holders. Note a 2.1m height restriction barrier at the entrance.

  • Bus

    Take a bus to Earith, the nearest stop about 1 mile from the reserve entrance. From Earith, a walk or cycle along local paths leads to the reserve. Bus services connect from St Ives and surrounding towns.

  • Train and Bus

    Travel by train to Cambridge or Huntingdon stations, then take a guided bus or local bus service to Earith. From there, walk or cycle to the reserve. This option takes approximately 1.5 to 2 hours depending on connections.

  • Bicycle

    Cycle access is best from Earith, where bike racks are available at the car park. The reserve connects to regional footpaths and bridleways, including the Ouse Valley Way.

RSPB Ouse Fen Nature Reserve location weather suitability

  • Weather icon Any Weather
  • Weather icon Rain / Wet Weather
  • Weather icon Clear Skies
  • Weather icon Mild Temperatures
  • Weather icon Cold Weather

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Discover more about RSPB Ouse Fen Nature Reserve

A Landscape Reborn: From Quarry to Wetland Sanctuary

RSPB Ouse Fen is a pioneering conservation project located where the River Great Ouse meets the Cambridgeshire Fens. Originally a working sand and gravel quarry, the site is being transformed into a sprawling wetland reserve that will eventually cover over 700 hectares, including the UK's largest reedbed at around 460 hectares. This ambitious restoration effort is a collaboration between the RSPB and Hanson UK, blending industrial land reclamation with ecological renewal to create a dynamic habitat mosaic of reedbeds, pools, ditches, and grasslands.

Wildlife Richness and Birdwatching Highlights

The reserve is a magnet for a diverse array of bird species and other wildlife. It is renowned for its population of bitterns, elusive reedbed birds known for their booming calls, as well as marsh harriers, bearded tits, and the majestic common cranes whose bugling courtship rituals can be witnessed in spring. The open wetlands attract ducks, grebes, swans, and wading birds throughout autumn to spring. Beyond birds, visitors may spot Chinese water deer grazing near woodland edges, and otters navigating the waterways. The reserve’s varied habitats support a thriving ecosystem that continues to grow as restoration progresses.

Visitor Experience and Facilities

Ouse Fen offers a tranquil setting for walking, wildlife observation, and photography. A network of over 20 miles of paths and trails winds through the reserve, including accessible routes with gentle gradients and viewing points. While there is no visitor centre, cafe, or public toilets on site, there are picnic areas and parking facilities including spaces for blue badge holders. Visitors are encouraged to bring binoculars and sturdy footwear due to grassy and sometimes muddy terrain. Dogs are welcome but must be kept under close control to protect sensitive wildlife.

Conservation in Action and Community Engagement

The ongoing work at Ouse Fen is a model of large-scale habitat restoration, with careful management to create ideal conditions for wildlife to thrive. Volunteers have played a vital role, planting reeds by hand and helping maintain paths. The project also emphasizes education and community involvement, with local residents contributing to trail mapping and conservation efforts. This partnership approach ensures that Ouse Fen is not only a haven for nature but also a valued resource for people seeking connection with the natural world.

Seasonal Changes and Wildlife Watching Tips

Each season brings different highlights: spring showcases the spectacular courtship displays of great crested grebes and the return of breeding birds; summer is ideal for spotting reed buntings and bearded tits; autumn and winter attract flocks of waterfowl and the possibility of seeing barn owls hunting at dusk. Patience and quiet observation reward visitors with glimpses of shy species like bitterns. Early morning and late afternoon visits often provide the best light and wildlife activity.

Protecting a Fragile Ecosystem

Visitors are reminded to respect the delicate habitats by keeping to paths, controlling dogs, and not disturbing wildlife. Fires and BBQs are prohibited due to fire risk. The reserve plays a crucial role in replacing lost fenland habitats, supporting biodiversity, mitigating flooding, and contributing to climate regulation. Its success demonstrates the potential for industrial sites to be restored as vital natural landscapes for future generations.

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