The introduction provides a general description of the watershed in terms of its natural and human-made features, ownership and current land uses, and the communities within the watershed. Information in Sections 1.2 and 1.3 were compiled from the following documents: The Oregon Watershed Assessment Manual, the Olalla / Lookingglass Watershed Analysis, and the Middle South Umpqua Watershed Analysis. Additional information is from the following sources’ databases: The Oregon Climate Service, the US Census Bureau, and the Douglas County Assessor.The Olalla / Lookingglass Watershed assessment has two goals: 1) To describe the past, present, and potential future conditions that affect water quality and fish habitat within the Olalla / Lookingglass Watershed; and 2) To provide a research-based action plan that suggests voluntary activities to improve fish habitat and water quality within the watershed. The Olalla/Lookingglass Watershed is 103,000 acres. The nearest incorporated city is Winston, just east of the watershed. Rural residential areas within the watershed include Lookingglass, Tenmile, Olalla, and Reston. The most common land use in the Olalla/Lookingglass Watershed is forestry, with 76% of the land base used for public or private forestry. Agriculture constitutes 19% of the watershed. Land ownership is primarily private (72%).