Reference map showing county boundaries and rivers of Oregon state.
To zoom in, hover over the Base reference Map of OR State
Original high-resolution image: Base Oregon Map
This base map of Oregon is free and available for download. You can print this reference map and use it in your projects. The original source of this Base reference Map of Oregon is: University of Texas. This reference map is a static image in jpg format. You can save it as an image by clicking on the downloadable map to access the original Oregon Base Map file. The map covers the following area: state, Oregon, showing rivers and county boundaries of Oregon.