Mourne GuideExplore · Walk · Belong

Mourne Guide / Castlewellan Lakeside Walk

Castlewellan Lakeside Walk.

Circle the lake on a relatively flat trail with castle and woodland views.

Castlewellan Lake in autumn.

Castlewellan Lake in autumn. Photo credit & licence

Distance · Approx. circuit
~3.9 km
Difficulty
Easy
Walking time
No estimate available
Total ascent
No estimate available

The walk

Follow the green waymarkers around Castlewellan Lake, passing near the Ice House with views of the castle. The trail is shared with the easy mountain-bike route, so watch for other users.

Underfoot

Relatively flat, even and consistent surfaces. For buggies or mobility needs, check the park’s current accessibility advice.

Start & access

Start: Castlewellan Forest Park Lakeside car park. Source grid reference J335364.

The forest park is signposted from Castlewellan Main Street. Parking charges apply. Follow green waymarkers and check the park's current access information and signs for diversions.

Route map & access at WalkNI — Outdoor Recreation Northern Ireland

Take a suitable map and know how to use it. Check the landowner’s latest access notices before setting out.

Give yourself enough time

Allow for your group’s pace, terrain, stops and daylight. Leave enough time and energy for the return journey.

Sources & walk details

Checked 8 October 2026. Original grade: Easy. Distances rounded for comparison. Where time or ascent is unavailable, no estimate is supplied. A summit height is different from a walk’s total ascent. About the route information.