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Hiking trails & Routes
South Scotland
Scottish Borders
Duns

Dun Law, Hen Poo lake & Duns Castle loop from Duns

Routes
Hiking trails & Routes
South Scotland
Scottish Borders
Duns

Dun Law, Hen Poo lake & Duns Castle loop from Duns

Easy

5.0

(1)

5

hikers

Dun Law, Hen Poo lake & Duns Castle loop from Duns

01:21

4.85km

90m

Hiking

Explore the Duns Castle Estate on this easy 3.0-mile hike, featuring panoramic views from Dun Law and the tranquil Hen Poo Lake.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

1.01 km

Duns Law

Highlight • Historical Site

Duns Law at 218m high is a conical hill on the edge of Duns Town. It's the site of the original town as an Iron Age hill fort.
It's a nice walk up from Duns or as a loop including the woods and lake nearby.

Tip by

2

2.50 km

Hen Poo Lake

Highlight • Viewpoint

Hen Poo lake is part of the Duns Castle nature reserve. It's a nice place for a walk combined with Dun Law and the woods around the castle.

Tip by

3

3.76 km

Duns Castle

Highlight • Historical Site

A 14th century castle which isn't open to the public but is open for private events, weddings and as accommodation. The castle has been the home of the Hay family since 1696, the current generation still live here and welcome guests.
You can run past the castle and enjoy loops around the wider nature reserve and Hen Poo lake. Add Duns Law for some ascent.

Tip by

B

4.85 km

End point

Parking

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Way Types & Surfaces

Way Types

2.38 km

2.31 km

157 m

Surfaces

2.79 km

1.00 km

721 m

336 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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Wednesday 6 May

13°C

1°C

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Dun Law, Hen Poo lake & Duns Castle loop?

The loop starts and ends in the town of Duns, so you can typically find parking within the town. There isn't a specific dedicated trailhead parking lot mentioned for this route, but parking options are available in Duns itself.

Is the Dun Law, Hen Poo lake & Duns Castle loop suitable for beginners or families?

Yes, this trail is generally considered easy and suitable for most fitness levels, including beginners and families. It features easily-accessible paths, though some sections can be muddy after rain. The climb to Duns Law is relatively gentle.

Are dogs allowed on the trail?

Yes, the trail is generally dog-friendly. However, as parts of the route pass through the Duns Castle Estate and near Hen Poo Lake (a wildlife reserve), it's important to keep dogs on a leash to protect wildlife and respect private property.

Do I need a permit or pay an entrance fee for the Duns Castle Estate?

No, there are no permits or entrance fees required to walk this loop, which passes through parts of the Duns Castle Estate. While the castle itself is not publicly accessible, the estate grounds are open for walkers.

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

The best time to hike this loop is during the drier months, typically from late spring to early autumn (May to September). This avoids the mud that can accumulate on woodland paths after heavy rain, ensuring a more comfortable experience. The views from Duns Law are also clearer on sunny days.

What kind of terrain can I expect on the Dun Law, Hen Poo lake & Duns Castle loop?

The loop features a varied terrain, including woodland paths, tracks, roads, and pavements. While generally accessible, some woodland sections can be narrow and become muddy, especially after rain. The climb to Duns Law is a gradual ascent.

What are the main points of interest along the route?

Key highlights include the historic Duns Castle, the tranquil Hen Poo Lake (a wildlife reserve), and the summit of Duns Law, which offers expansive views. You'll also pass by the Jim Clark Motorsport Museum and various historical markers.

Does the trail intersect with other well-known paths?

Yes, the route briefly intersects with several local paths. You'll find sections that are part of the Border Loop, Duns Blue Route, Duns Green Route, Duns Red Route, Duns Yellow Route, St Mary's Glade, Castle Street, and Market Wynd.

Is there any specific advice for navigating the trail?

While parts of the route may be waymarked with yellow arrows, it's advisable to carry a map or use a navigation app like Komoot. Some sections of the woodland paths can be narrow or occasionally overgrown, but these are usually passable. Be prepared for mud, especially after wet weather.

What wildlife can I expect to see around Hen Poo Lake?

Hen Poo Lake is a managed wildlife reserve, making it an excellent spot for birdwatching. You can expect to see various wildfowl and ducks. The surrounding woodlands and meadows also host a variety of local bird species and small mammals.

Are there any facilities like cafes or restrooms along the route?

The trail itself does not have dedicated facilities like cafes or restrooms. However, since the loop starts and ends in Duns, you'll find various cafes, pubs, and public restrooms available within the town before or after your hike.

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