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United Kingdom
England
South East England
East Sussex

Offham Marshes & River Ouse loop — South Downs National Park

Routes
Hiking trails & Routes
United Kingdom
England
South East England
East Sussex

Offham Marshes & River Ouse loop — South Downs National Park

Easy

4.7

(10)

41

hikers

Offham Marshes & River Ouse loop — South Downs National Park

01:51

7.24km

30m

Hiking

Embark on an easy hike through the Offham Marshes & River Ouse loop, a route that promises a diverse landscape within South Downs National Park. This accessible trail spans 4.5 miles (7.2 km) and involves a gentle elevation gain of just 97 feet (30 metres), making it suitable for nearly…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

South Downs National Park

Waypoints

A

Start point

Parking

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1

2.45 km

Offham Marshes Woodland Path

Highlight • Forest

Offham Marshes is a biological Site of Special Scientific Interest situated near Lewes in East Sussex. The marshes feature rare wet woodland fed by chalk streams which support numerous amphibians and other wildlife species including toads, newts, and common frogs.

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2

4.52 km

River Ouse Riverside Path

Highlight (Segment) • Trail

Follow a footpath along the delightful River Ouse that runs through the heart of Lewes. This section of the riverside path features stunning views of vibrant green landscapes, grazing sheep, …

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B

7.24 km

End point

Parking

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Way Types & Surfaces

Way Types

3.15 km

1.74 km

1.25 km

734 m

274 m

< 100 m

Surfaces

3.11 km

1.52 km

1.27 km

1.24 km

< 100 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Thursday 21 May

25°C

11°C

0 %

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Max wind speed: 12.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How do I get to the trailhead and where can I park for the Offham Marshes & River Ouse loop?

The trail is easily accessible, but specific parking details are not provided in the available information. It's recommended to check local resources or the South Downs National Park website for designated parking areas near Offham Marshes or the River Ouse. Public transport options to the general area of Lewes may also be available.

Is the Offham Marshes & River Ouse loop dog-friendly?

Yes, the Offham Marshes & River Ouse loop is generally dog-friendly. However, as it passes through sensitive natural areas and potentially near livestock, it's always best to keep dogs under control, preferably on a leash, and to follow the Countryside Code.

What is the best time of year to hike this loop?

The Offham Marshes & River Ouse loop can be enjoyed year-round. However, sections along the River Ouse can become very muddy after wet weather, so spring and summer might offer drier conditions. Autumn provides beautiful foliage, and winter can be peaceful, but be prepared for mud and potentially colder temperatures.

Do I need a permit or pay an entrance fee for this trail?

No, there is no mention of any permits or entrance fees required to hike the Offham Marshes & River Ouse loop. It is freely accessible to the public.

What is the terrain like on the Offham Marshes & River Ouse loop?

The terrain is varied, consisting of natural surfaces, asphalt, and some paved sections. While much of the trail is well-maintained, be aware that parts along the River Ouse can become very muddy, especially after rain. The elevation gain is minimal, making it a relatively flat walk.

Is this trail suitable for beginners or families with children?

Yes, this loop is considered an easy hike with minimal elevation gain, making it suitable for all fitness levels, including beginners and families. The accessible paths and diverse scenery offer an enjoyable experience for everyone.

What natural features and wildlife can I expect to see?

You'll experience diverse landscapes including the rare wet woodland of the Offham Marshes, a biological Site of Special Scientific Interest. Keep an eye out for amphibians like toads, newts, and common frogs. The route also follows the winding River Ouse, offering pleasant riverside views.

Are there any notable historical sites or viewpoints along the way?

Yes, beyond the natural beauty, you can enjoy expansive views of the Ouse flood-plain, the historic town of Lewes, and the surrounding South Downs countryside from certain points. You'll also see views over Offham chalk pits, which have historical industrial significance, and pass near the site of the Battle of Lewes from 1264.

What kind of footwear is recommended for this hike?

Given that sections along the River Ouse can become very muddy, especially after wet weather, appropriate waterproof footwear such as hiking boots or sturdy walking shoes with good grip is highly recommended.

Does the route connect with other trails in the area?

Yes, the route intersects with several other paths. Notably, it covers significant sections of the Sussex Ouse Valley Way and the Offham - Lewes Town Centre (ESCC Cycle Route 306). It also briefly touches parts of the Greenwich Meridian Trail and the Cooksbridge - Lewes Riverside (ESCC Cycle Route 307).

Is the Offham Marshes & River Ouse loop a circular route?

Yes, as the name suggests, the Offham Marshes & River Ouse loop is a circular route, meaning you will end up back at your starting point without having to retrace your steps.

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