The Quinault Rainforest is a large temperate zone rainforest located on the Olympic Peninsula west of Washington state in the "North-West" region of the USA. Quinault Rainforest is part of the Olympic National Park and the Olympic National Forest, and is located in the "Gray Harbor County" and "Jefferson County" lands of Washington state. This rainforest receives an average of about 365 cm (12 feet) of rainfall per year.