The Canyonville plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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76° on Nov. 13, 1995, the hottest reading for this week of the year since 1899. Next is 74° in 1999.
Canyonville’s center stands about 760 ft above sea level. Within three miles the land runs from 670 ft to 3,160 ft, a difference of 2,490 ft: mountain country. The highest named summit within 15 miles is Cedar Springs Mountain, about 5,090 ft, 14 miles southeast.
Under the town center the state geologic map shows Alluvial deposits (sand, gravel, silt), from the Holocene, less than 12,000 years old.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 6×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Quartz-diorite, diorite. Age: Late Jurassic to Early Cretaceous, 100 to 164 million years old. About 11 mi of the line.
Andesite. Age: Late Jurassic, 145 to 164 million years old. About 11 mi of the line.
Sand, gravel, silt. Age: Holocene, less than 12,000 years old. About 2 mi of the line.
Siltstone, sandstone. Age: Late Jurassic to Early Cretaceous, 125 to 153 million years old. About 1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
A raindrop that lands in Canyonville reaches the Pacific Ocean by way of Canyon Creek, the South Umpqua and the Umpqua: about 160 river miles.
110 miles of the trip are on the Umpqua.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Canyonville; river miles along the main stem, rounded.
Canyonville has a warm-summer Mediterranean climate. Summer afternoons average 89° in August; winter nights fall to about 37° in January. About 31 inches of rain fall in a normal year, with about 2 inches of snow.
On November 14 Canyonville normally reaches 58° and falls to 41°. The record high is 70°, in 1999; the record low 13°, in 1978. The most rain on this date, 1.99 in, fell in 1958.
Normals 1991–2020 and records since 1899 at Riddle, 4 miles west-northwest. NOAA, through RCC-ACIS.
