Inis Mór, also known as Inishmore, is the largest and most traveled of the Aran Islands. Its very name, which means big island, suggests its size compared to the other islands. The population of Inis Mór is about 900 people. This day trip departs Doolin Pier at 10:00 AM and then departs the island at 4:00 PM to return to Doolin Pier. The ferry journey from Doolin Pier to Kilronan Harbor on Inis Mór takes about 1 hour and 15 minutes.  The Aran Islands are believed to be an extension of the Burren Region in County Clare. The famous rocky landscape has helped to create its iconic image of an island divided by fields separated by winding stone walls. The stunning views from this Island reveal an Atlantic gateway from Connemara to Clare.  You won’t be short of things to do and wonders to see on the island of Inis Mór. A full day is needed to see the sights of this beautiful island.  The ferry will arrive at Kilronan harbor on Inis Mor. From this port, you can choose from several different options to explore the island. You may choose to hire a bicycle, take a mini bus tour or experience a horse and cart tour. More information on the tour options is available at the Kilronan Harbor area upon your arrival. The most popular attraction on this island is the famous ring fort, Dun Aengus. The magnificent fort is a semi-circular structure that rests on the edge of a high cliff rising 100 meters out of the Atlantic Ocean. It is the largest of the prehistoric ruins on the Aran Islands. It is a short 900 meter hike from the Visitor Center to the base of the fort. On arrival, it takes about 10 minutes to climb to the top of the fort. The fort consists of an inner court 50 meters across, and is surrounded by a wall 6 meters high and 5.5 meters thick at the base. Dún Aonghasa’s superb position and its structural perfection have prompted many experts to declare it one of the finest prehistoric monuments in Europe.