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United Kingdom
England
East Of England
Southend-on-Sea

Leigh National Nature Reserve

The best walks and hikes in Leigh National Nature Reserve

4.6

(301)

4,023

hikers

255

hikes

Hikes in Leigh National Nature Reserve explore a coastal landscape located on Two Tree Island in Southend-on-Sea. The area is characterized by its expansive salt marshes and wetlands within the Thames Estuary. The walking trails are generally flat, consisting of gravel and grass paths that navigate the reserve's ecosystems, offering views across the water.

Best hiking trails in Leigh National Nature Reserve

  • The most popular hiking route is Two Tree Lagoon – Hadleigh Castle loop from Leigh-on-Sea, a 7.2…

Last updated: April 23, 2026

4.7

(6)

48

hikers

#1.

Two Tree Lagoon – Hadleigh Marsh loop from Leigh-on-Sea

11.5km

02:58

60m

60m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Tips from the Community

Dan
April 23, 2025, Trail Cafe

Really good coffee and vegan food.

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Mark Ngui
April 21, 2025, Trail Cafe

A welcome addition, right by the station down the steps on the way to Leigh on Sea on foot. Popular spot. Good coffee and food selection.

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Beautiful Nature Reserve to explore while hiking the coastal path. Be aware of the Adders (snakes) though. I didn't see one, but the locals I spoke to confirmed that they're there.

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C2C service is generally great at getting you back West / London when you can’t ride back! The gate is general unlocked so you can wheel your bike through rather than using the electronic gates, assuming you’ve bougth your ticket!

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Kenny
September 1, 2023, Two Tree Island

A little island escape full of wildlife and scenic views. Perfect for a 5km run with a mix of pathways and sand trails. The eastern section is part of Leigh National Nature Reserve, where the saltmarsh is one of the best surviving in the Thames Estuary. Keep an eye out for the rare insects and butterflies and the kestrels flying overhead.

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Back to London

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Managed by the Essex Wildlife Trust, Two Tree Island sits on the Thames Estuary. It is popular for birdwatching and 3.5km circular walk round the island is possible direct from Leigh-on-Sea. In the past it has been a sewage treatment works and a landfill site and is now a beautiful area of reclaimed saltmarsh.

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The mast has now broken off

Translated by Google

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Frequently Asked Questions

Are dogs allowed in Leigh National Nature Reserve?

Yes, Leigh National Nature Reserve is a popular spot for dog walking. The reserve's open spaces and coastal paths are great for exercising your dog. However, it is a sensitive area for wildlife, especially birds. You should keep your dog under close control at all times and follow any local signage regarding leads, particularly during bird nesting season.

What is the terrain like on the walking trails?

The walking trails in Leigh National Nature Reserve are generally flat and easy to navigate. Most paths are either gravel or grass, making them accessible for most fitness levels. The landscape is defined by coastal salt marshes and wetlands, so expect open, expansive views across the Thames Estuary rather than steep hills.

Are there any family-friendly walks in the reserve?

Absolutely. The flat terrain makes it ideal for families. For a short and manageable walk, consider the Two Tree Island Nature Reserve loop from Leigh-on-Sea. It's an easy 2.2-mile (3.6 km) circuit that offers a great introduction to the area's coastal scenery without being too strenuous for little legs.

How can I get to Leigh National Nature Reserve using public transport?

The nearest train station is Leigh-on-Sea, which has good connections. From the station, the entrance to the reserve on Two Tree Island is a manageable walk, allowing you to start your hike without needing a car.

Is there parking available at Leigh National Nature Reserve?

Yes, there is parking available on Two Tree Island, which serves as the main access point to the reserve. Be aware that it can get very busy, especially on weekends and during good weather, so arriving early is recommended to secure a space.

What is the best time of year to visit for birdwatching?

While you can see birds year-round, the winter months are particularly special. This is when thousands of wildfowl and waders, including large flocks of dark-bellied brent geese, visit the mudflats. Autumn and winter also offer the chance to spot a short-eared owl hunting over the marshes.

Are there any circular walking routes?

Yes, most of the popular trails in the reserve are loops. A great moderate option is the Two Tree Lagoon – Hadleigh Marsh loop from Leigh-on-Sea. This 7-mile (11.4 km) route provides a comprehensive tour of the wetlands and marshes, starting and finishing conveniently from the town.

What do other hikers think of the trails in Leigh National Nature Reserve?

The trails are highly regarded by the komoot community, with an average rating of 4.6 stars. Hikers often praise the stunning estuary views, the peaceful atmosphere, and the excellent opportunities for birdwatching. The well-maintained, flat paths are also frequently mentioned as a major plus.

Are there any challenging hikes in the area?

The trails within the reserve itself are mostly flat and easy. For more of a challenge, you would need to combine a walk in the reserve with surrounding areas. Some routes extend towards Hadleigh, incorporating slightly more elevation and distance, but overall the region is not known for difficult hiking.

How many hiking trails are there in Leigh National Nature Reserve?

There are over 280 routes to explore in and around Leigh National Nature Reserve. These range from short, easy loops perfect for a quick stroll to longer, moderate hikes that take in more of the surrounding coastline and marshland.

Are there any cafes or pubs directly in the nature reserve?

There are no food or drink facilities within the boundaries of the Leigh National Nature Reserve on Two Tree Island. For refreshments, you will need to head back into the nearby town of Leigh-on-Sea, where you'll find a wide selection of cafes, pubs, and restaurants.

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