Camp Abbot was a United States Army training center located south of Bend, Oregon, United States. The center was used to train combat engineers during World War II. A large part of site has now been developed as Sunriver Resort. The rest has been incorporated into the Deschutes National Forest. The only remaining structure from Camp Abbot is the officers mess hall. Today, it is part of Sunriver Resort. It is known as the Great Hall, and is used for large conferences and special events.