O'Reilly's Rainforest Retreat is a tourist destination in the locality of O'Reilly, Scenic Rim Region, Queensland, Australia. It is situated in the heart of the Lamington National Park, two hours by road south of Brisbane and 90 minutes by road west of the Gold Coast. Access to the mountain resort is via Canungra. Guests began staying from Easter 1926. Gravel road to the door of the retreat was completed in early 1947, marking a distinct change in the site's accessibility.

The Lamington National Park is a national park, lying on the Lamington Plateau of the McPherson Range on the Queensland/New South Wales border in Australia. From Southport on the Gold Coast the park is 85 kilometres (53 mi) to the southwest and Brisbane is 110 kilometres (68 mi) north. The 20,600 hectares Lamington National Park is known for its natural environment, rainforests, birdlife, ancient trees, waterfalls, walking tracks and mountain views. The park protects parts of the Eastern Australian temperate forests.