Umpqua Valley is a named sub-zone of Southern Oregon in the United States, covering 281,108 ha.
Open Umpqua Valley on the map →The map shows the official outline with relief, 3D terrain, slope and exposure, climate and soil.
Distances from the centre of the place. Towns: GeoNames (CC BY 4.0). Sea, rivers and lakes: Natural Earth.
Measured over the whole outline on 59,421 elevation cells of about 222 m (Mapterhorn terrain tiles).
(1) From the beginning point, the boundary proceeds north along the Douglas/Lane County line approximately .5 miles to the 1,000-foot contour line; (2) Thence northwest along the 1,000-foot contour line to the Douglas/Lane County line; thence west along the Douglas/Lane County line approximately 2.5 miles, returning to the 1,000-foot contour line; thence in a generally westerly direction along the 1,000-foot contour line to the R9W/R10W range line; (3) Thence south along the R9W/R10W range line approximately 2.75 miles to the center of the Umpqua River; thence along a straight line in an easterly direction approximately 6.25 miles to the intersection of range line R8W/R9W with the center of the Umpqua River; thence south along range line R8W/R9W approximately 3.5 miles to its intersection with township line T22S/T23S; (4) Thence southeast approximately 8.5 miles along a straight line to the intersection of township line T23S/T24S with range line R7W/R8W; thence south along the R7W/R8W range line approximately 8 miles to its intersection with the 1,000-foot contour line; thence in a southeasterly direction in a straight line approximately 3.5 miles toward the intersection of township line T25S/T26S with range line R6W/R7W, returning to the 1,000-foot contour line; (5) Thence in a southerly direction along the 1,000-foot contour line to the intersection of township line T27S/T28S…
UC Davis Library AVA project (CC0)
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