The Cathedral of St. Mel is located in Longford, Ireland. It serves as the seat of the Roman Catholic Diocese of Ardagh and Clonmacnoise. The cathedral was originally built in the 12th century and has undergone several renovations over the years, showcasing a mix of architectural styles. The cathedral is known for its beautiful stained glass windows and intricate stone carvings. It also features a prominent bell tower, which is a notable landmark in the area. The Cathedral of St. Mel plays an important role in the local community, hosting various religious services and events.