Twelve Arches to Tollymore Forest Park loop — Mourne

Bike touring routes & trails

Twelve Arches to Tollymore Forest Park loop — Mourne

Easy

riders

Twelve Arches to Tollymore Forest Park loop — Mourne

00:58

16.3km

90m

Cycling

Embark on the Twelve Arches to Tollymore Forest Park loop, an easy touring cycling route spanning 10.1 miles (16.3 km) with a gentle elevation gain of 294 feet (90 metres). You can expect to complete this scenic ride in about 58 minutes. The trail guides you through diverse terrain, offering…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Mourne AONB

Waypoints

Start point

Parking

Get Directions

122 m

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

1.74 km

View of Slieve Donard from Keel Point

Highlight • Natural

Found on the beautiful peninsula between Dundrum Bay and Murlough Bay (Irish: Murlach, meaning 'sea inlet') Keel Point has perfect views of Slieve Donard, the highest peak in the Kingdom of the Mourne Mountains.

Tip by

7.25 km

Maghera Round Tower

Highlight • Monument

The ruined round tower marks the site of an early church founded by the 6th-century St Domongart (Donard), after whom the highest peak in the Mourne Mountains is named. The …

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10.3 km

Shimna River in Tollymore Forest Park

Highlight • Bridge

Forest paths along the Shimna river marked by many curiosities, both natural and artificial. Rocky outcrops, bridges, grottos and caves. Elsewhere in the park the tree lover can find exotic …

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16.3 km

End point

Parking

Way Types & Surfaces

Way Types