| State: | OR |
| Type: | OR |
| Route: | 27 |
| Map Custom: | yes |
| Map Notes: | Route 27 highlighted in red |
| Length Mi: | 44.79 |
| Established: | 1932 |
| Allocation: | Crooked River Highway No. 14 |
| Direction A: | South |
| Terminus A: | near Brothers |
| Direction B: | North |
| Terminus B: | in Prineville |
| Counties: | Deschutes, Crook |
| Previous Type: | US |
| Previous Route: | 26 |
| Next Type: | US |
| Next Route: | 30 |
Oregon Route 27 is an Oregon state highway located in Deschutes County and Crook County. OR 27 traverses the Crooked River Highway No. 14 of the Oregon state highway system.[1] Known as the Lower Crooked River Back Country Byway, OR 27 has the distinction of being one of the only state highways in Oregon which is partially paved: out of its 44.79miles total length, an 18.5miles stretch of the highway is gravel.
OR 27 has its southern terminus at a junction with U.S. Route 20 at Brothers, east of Bend. It runs north, along the Crooked River, towards Prineville Reservoir and the city of Prineville. It terminates in Prineville at a junction with U.S. Route 26.
There have been numerous proposals over the years to pave the highway in its entirety; but no such projects have been undertaken due to lack of funding.
A small section of the highway was rerouted in 1961 when Prineville Reservoir was created and covered the roadway. [2]
OR 27 used to extend further northwest to the town of Metolius, roughly following the present US 26.