Mourne Guide / Gruggandoo

Gruggandoo.

A western hill above Crotlieve.

Gruggandoo stands north of Crotlieve Mountain and east of Ballyoully Mountain. At 382 m, it is one of the lower western hills.

Summit height
382 m

Planning a walk

Choose a route that suits your group and check access before setting out. Take a current map and know how to use it. Even the lower hills can have rough, steep or exposed ground.

Sources & height notes

DoBIH v18.6 published height. Other sources and surveys may differ; this is not total ascent.

Locations are based on mapped summit points. For walking directions, use a current map and your chosen route.

Data licence: ODbL 1.0 (combined catalogue); DoBIH fields also CC BY 4.0. Source credits.

The Database of British and Irish Hills v18.6

Checked 2026-10-08: The Database of British and Irish Hills v18.6 · DoBIH v18.6 dataset and CC BY 4.0 licence · OpenStreetMap named peak — Geofabrik snapshot.