The first Oregon State map below is a simple roadmap of the State of Oregon. It will give you an overall idea of where places are located in Oregon and it also shows the major highways.
The second map is interactive and you can zoom in for more detail of a particular location.
The third map shows what was considered to be the Oregon Territory between 1818-1846. As you can see, Oregon at that time included what is now British Columbia, the State of Washington, the State of Idaho, as well as the State of Oregon. This map also shows the route of the Oregon Trail.