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Routes
Hiking trails & Routes
East Of England
Norfolk
King'S Lynn And West Norfolk
Grimston

Roydon Common & Grimston Warren loop

Moderate

4.0

(1)

12

hikers

Roydon Common & Grimston Warren loop

03:04

12.0km

50m

Hiking

Hike the 7.4-mile (12.0 km) moderate Roydon Common & Grimston Warren loop, exploring diverse heathland and spotting wildlife.

Last updated: February 26, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

5.41 km

Grimston Warren Observation Tower

Highlight • Monument

Grimston Warren has been restored to heathland by the Norfolk Wildlife Trust after being turned into a conifer plantation in the 1960s. The remains of a World War Two observation …

Tip by

2

7.26 km

Roydon Common

Highlight • Viewpoint

Just outside of King's Lynn, Roydon Common is full of paths and tracks for exploring. You will often spot horses, sheep and cattle grazing, plus keep an eye out for …

Tip by

3

12.0 km

The Three Horseshoes

Highlight • Restaurant

The perfect spot for combining a walk on Roydon Common with a drink or a Sunday roast.

Tip by

B

12.0 km

End point

Bus stop

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Way Types & Surfaces

Way Types

8.54 km

1.17 km

1.17 km

677 m

412 m

Surfaces

4.39 km

4.26 km

1.58 km

1.06 km

677 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

Powered by Foreca

Wednesday 6 May

14°C

6°C

27 %

Additional weather tips

Max wind speed: 16.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to complete the Roydon Common & Grimston Warren loop?

This moderate 12 km (7.4 mile) loop usually takes around 3 hours and 4 minutes to complete. However, depending on your pace and stops for wildlife spotting or enjoying the scenery, it could take up to 5 hours.

What is the terrain like on this trail?

The terrain is diverse, featuring expansive heathland, lowland mixed valley mire, acid bog, and carr woodland. While generally flat with gentle slopes, expect sandy tracks and some unpaved or natural sections. Hikers should be sure-footed, especially in boggy areas.

What can I see along the route?

The loop offers picturesque scenery, including vast heathlands and boggy mires. You'll pass by the Roydon Common, a designated Site of Special Scientific Interest, and the restored heathland of Grimston Warren. A notable historical feature is the Grimston Warren Observation Tower, a remnant from World War Two.

What wildlife can I expect to see?

This area is a haven for wildlife. You might spot wild ponies, horses, sheep, and cattle grazing. Birdwatchers can look out for species like nightjars, woodlarks, hen harriers, and various owls. The reserves are also home to rare dragonflies, butterflies, moths, and reptiles such as adders.

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

The trail is beautiful year-round, but it's particularly stunning in August and early September when the purple heather blooms across the common, creating a vibrant landscape.

Is the Roydon Common & Grimston Warren loop dog-friendly?

Yes, dogs are generally welcome on the trail. However, due to the presence of grazing wild ponies, horses, sheep, and cattle, as well as ground-nesting birds and other wildlife, it is crucial to keep dogs on a lead at all times to protect both your pet and the local ecosystem.

Are there any permits or entrance fees required for Roydon Common National Nature Reserve?

No, there are typically no permits or entrance fees required to access the trails within Roydon Common National Nature Reserve. However, as it's managed by the Norfolk Wildlife Trust, voluntary donations are always appreciated to support conservation efforts.

Where can I park for the Roydon Common & Grimston Warren loop?

Specific parking details are not provided in the tour data. It's recommended to check local maps or the Norfolk Wildlife Trust website for designated parking areas near the common before your visit. Look for trailheads that offer convenient access to the loop.

Does the trail intersect other well-known paths?

Yes, the route also passes through sections of the King's Lynn - Fakenham trail, Cliffe-En-Howe Road, Sandy Lane, Hall Lane, and Chilver House Lane.

Are there any places to eat or drink near the trail?

Yes, after your hike, you can find refreshments at The Three Horseshoes, a restaurant located conveniently near the trail.

Is this loop suitable for beginners or families with young children?

While parts of the wider Roydon Common area offer easier, shorter walks, this specific 12 km loop is rated as moderate. It requires good fitness and sure-footedness due to its length and varied terrain. It might be a bit challenging for very young children or absolute beginners, but those with some hiking experience should manage well.

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