Roydon Common & Grimston Warren loop
Roydon Common & Grimston Warren loop
4.0
(1)
12
hikers
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
Start point
Bus stop
Get Directions
5.41 km
Highlight • Monument
Tip by
7.26 km
Highlight • Viewpoint
Tip by
12.0 km
Highlight • Restaurant
Tip by
12.0 km
End point
Bus stop
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
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Weather
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Yes, after your hike, you can find refreshments at The Three Horseshoes, a restaurant located conveniently near the trail.
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.