4.3
(326)
2,602
hikers
75
hikes
Hiking in Kielderhead National Nature Reserve offers routes through a landscape of expansive forests, open moorland, and rolling hills. The region is defined by Kielder Forest, England's largest forest, and Kielder Water, the largest man-made lake in Northern Europe. The terrain includes a mix of well-maintained forest tracks and more rugged paths across open country, with elevations reaching up to 602 meters at Peel Fell.
Last updated: May 13, 2026
3.8
(28)
94
hikers
12.9km
03:31
190m
190m
Moderate 8-mile loop from Kielder Castle to the Silvas Capitalis giant head, exploring Kielder Water & Forest Park.
4.5
(13)
125
hikers
11.3km
03:26
410m
410m
Hike the Deadwater Black Trail in Kielder Forest, a challenging 7.0-mile route with 1339 feet of elevation gain and 360-degree views.

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5.0
(4)
82
hikers
41.2km
10:56
420m
420m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4.3
(4)
25
hikers
19.8km
05:45
490m
500m
Hike the difficult 12.3-mile Deadwater Fell loop from Kielder, gaining 1610 feet with panoramic views over Kielder Water & Forest Park.
4.3
(3)
22
hikers
4.44km
01:14
80m
80m
Embark on an easy hike along the Lakeside Way and Kielder Viaduct Loop, a route designed for a relaxed outdoor experience. You will cover 2.8 miles (4.4 km) with a…
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Popular around Kielderhead National Nature Reserve
Kielder Castle is a charming 18th-century hunting lodge in Northumberland, built in 1775 for the Duke of Northumberland. Today, it serves as a vibrant visitor center and the starting point for numerous walking and cycling routes, including the famous Lakeside Way. Although the castle is currently undergoing renovations, the information center remains open and the surrounding facilities are accessible. It's an ideal base for exploring England's largest forest. It houses the Kielder Visitor Center and the Cafe at the Castle.
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The Kielder Viaduct in Northumberland is a masterpiece of Victorian railway engineering from the 19th century, with seven skewed stone arches and an ornate baronial style replete with battlements and loopholes—custom-built for the Duke of Northumberland. Once transporting coal and timber to Scotland, it is now a monumental jewel on Kielder Reservoir, saved from demolition and reborn as part of the Lakeside Way: a scenic walkway. The viaduct is not only technically impressive but also culturally enriched with ornate wrought iron panels, designed by children and forged by local craftspeople.
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Lovely walk across the top of the dam and back again, easy walking
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This dramatic and historic landmark is tucked amongst the trees on the edge of Kielder village. The viaduct was built in 1862 to extend the route of the Border Counties railway line into Scotland. The railway company wanted to build it across the River North Tyne in front of the Duke of Northumberland's hunting lodge at Kielder Castle. Apparently the Duke insisted it should reflect the castle's Gothic style, hence why the structure is decorated with battlements and false arrow slits.
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This beautiful elegant viaduct consists of seven semi-circular masonry skew arches and was built in 1862 by the North British Railway to carry the Border Counties Line across marshy land. It is a dramatic and historic landmark tucked amongst the trees on the edge of Kielder village. The views of the forest and reservoir from the top are spectacular, and you can walk beneath it to marvel at its soaring skew arches.
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Kielder Forest is the largest man-made woodland in Northumberland, England. The United Kingdom's Forestry Commission initiated the first plantings in the 1920's. Kielder Castle is now the focal point for visitors to the forest, and was originally Built in 1775 as a hunting lodge for the Duke of Northumberland. The Castle houses a series of exhibitions about the forest and its wildlife, together with an information centre and Kielder Castle Cafe. It is now an activity hub and the start and finish location for a whole range of hiking, running and biking routes.
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Yes, many of the trails in the area are circular routes. This allows you to start and end at the same point without retracing your steps. The landscape, with its mix of forest tracks and open moorland, is well-suited for loop hikes of varying lengths.
Dogs are generally welcome in Kielder Water & Forest Park, but they must be kept under close control at all times. During the bird breeding season (typically April to August) and around livestock, it's especially important to keep them on a lead to protect wildlife like ground-nesting birds and the park's ospreys.
For a shorter, accessible walk that's great for all fitness levels, the Keilder Viaduct loop is an excellent choice. It's an easy 4.4 km route that takes you past the historic viaduct and through pleasant woodland.
Definitely. For a demanding day out, consider the Kielder Lakeside Way. This is a tough 41 km trail that circumnavigates the entirety of Kielder Water, offering a significant endurance challenge with rewarding views across the largest man-made lake in Northern Europe.
Kielder is a haven for wildlife. It's one of England's most important reserves for native red squirrels. Between April and August, you might spot ospreys hunting over the lake. Keep an eye out for roe deer in the forest, and if you're very lucky, you might see otters along the waterways or wild goats on the fells.
Yes, you can visit the waterfall at Hindhope Linn. It's a highly-regarded local spot accessible via a short, well-signposted walk through the woods, leading to a picturesque waterfall in a lush setting.
Most visitors arrive by car. There are several car parks located around Kielder Water & Forest Park, including at Kielder Castle, Tower Knowe Visitor Centre, and other key trailheads. Public transport is limited in this remote area, so driving is the most reliable option. Parking charges often apply, which help maintain the park's facilities.
The weather can change quickly. Always bring waterproof clothing, even on a clear day. Sturdy hiking boots are essential as trails can be muddy or uneven. Also pack water, snacks, a map, and a compass or fully charged phone with a GPS app. Given the area's remote nature, it's wise to be self-sufficient.
While Kielder is a famous Dark Sky Park, night hiking requires caution. Stick to familiar, easy-to-navigate paths like the Lakeside Way. For a dedicated stargazing experience, it's best to visit the Kielder Observatory. Always carry a headtorch with a red light setting to preserve your night vision, and check the weather before you go.
There are over 75 hiking routes to explore in and around Kielderhead National Nature Reserve. These range from short, easy strolls of less than 5 km to long-distance challenges, with the majority being moderate trails through the forest and across the fells.
The trails are highly rated by the komoot community. Hikers often praise the vast, peaceful landscapes, the well-maintained forest tracks, and the unique combination of woodland, moorland, and lakeside scenery. The sheer scale of Kielder Forest and the beauty of the reservoir are frequent highlights.


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