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View of Twelve Arches Bridge – Newcastle Harbour loop from Dundrum

Routes

Running trails & routes

View of Twelve Arches Bridge – Newcastle Harbour loop from Dundrum

Hard

runners

View of Twelve Arches Bridge – Newcastle Harbour loop from Dundrum

02:16

21.7km

90m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 4, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 17.7 km for 149 m

Customers only

Waypoints

Start point

Bus stop

Get Directions

3.14 km

View of Twelve Arches Bridge

Highlight • River

Twelve Arches is a stunning old stone bridge that carries the old Newcastle – Dundrum/Belfast road across the Carrigs River. There are a few picnic benches here and wonderful views up and down the river.

Tip by

6.70 km

Slieve Donard Hotel

Highlight • Rest Area

6.83 km

Newcastle Central Promenade

Highlight • Structure

Scenic walk along the seafront

Tip by

9.08 km

Newcastle Harbour

Highlight • Structure

If you fancy a dip after all those hills, this is a very safe spot for swimming. The slipway at the side of the harbour wall is the preferred entry …

Tip by

17.7 km

Murlough Nature Reserve

Nature Reserve

18.3 km

Murlough Nature Reserve Wildflower Meadows

Highlight • Trail

A stunning mix of sand, grass, heather and wild flowers, with plenty of rough trails and neat boardwalk to explore in this National Trust reserve on the edge of the Irish Sea.

Tip by

21.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

10.8 km

3.89 km

2.73 km

2.12 km

1.56 km

415 m

109 m

Surfaces

12.0 km

6.41 km

1.22 km

917 m

736 m

423 m

Elevation

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

Weather

Wednesday 20 May

16°C

10°C

63 %

Additional weather tips

Max wind speed: 21.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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View of Twelve Arches Bridge – Newcastle Harbour loop from Dundrum

View of Twelve Arches Bridge

Slieve Donard Hotel

Newcastle Central Promenade

Newcastle Harbour

Murlough Nature Reserve Wildflower Meadows

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