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Running trails & routes

Northern Ireland

Newry And Mourne

Rostrevor Mountains

Yellow Water Lower Bridge – Pierce's Castle Climb loop from Yellow Water River

Running trails & routes

Northern Ireland

Newry And Mourne

Rostrevor Mountains

Yellow Water Lower Bridge – Pierce's Castle Climb loop from Yellow Water River

Hard

14

runners

Yellow Water Lower Bridge – Pierce's Castle Climb loop from Yellow Water River

01:22

9.59km

360m

Running

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Last updated: August 18, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Waypoints

A

Start point

1

923 m

Yellow Water Lower Bridge

Highlight • Bridge

Yellow Water is a beautiful river in the Mournes. Flowing down from surrounding hills, under this bridge and on to the lovely picnic site.
On a hot summers day it's …

Tip by

2

4.39 km

Leitrim Lodge River Crossing

Highlight • Trail

Usually low enough to run across without getting wet feet

Tip by

3

4.45 km

Pierce's Castle Climb

Highlight (Segment) • Viewpoint

Settle in for a long, gravel road climb. Don't be fooled by the sharp right turn that looks like the top!
It's a tough one but the views from the top on a clear day are stunning!

Tip by

4

7.28 km

Bog Road, Mourne AONB

Highlight • Trail

Can be tricky to find from the Southern end. When you do find it, you can can be reasonably sure of escaping Castle Bog before the bog monsters get you.

Tip by

5

7.71 km

Bog Road Stile

Highlight • Rest Area

It's often really foggy up here and difficult to see which way you need to go. If you're coming at this from the Pierce' Castle side and heading towards Rostrevor then this stile is most likely what you're aiming for.

Tip by

6

7.83 km

View of Red Bog and Carlingford Lough

Highlight • Viewpoint

On a clear day you can see the Red Bog and Carlingford Lough

Tip by

7

7.91 km

Descent into Rostrevor Forest

Highlight (Segment) • Forest

A really fun descent down into the forest. Be sure to watch where you put your feet as there are some deep holes on the way down.

Tip by

8

8.58 km

Forest Trail in Mourne AONB

Highlight • Forest

Easy walk just a few hills

Tip by

B

9.59 km

End point

Way Types & Surfaces

Way Types

5.92 km

2.54 km

1.11 km

Surfaces

6.17 km

3.06 km

315 m

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Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (460 m)

Lowest point (180 m)

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Weather

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Tuesday 6 October

12°C

5°C

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