The Lake Colorado City 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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Mostly sunny; warmer
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Lake Colorado City’s center stands about 2,080 ft above sea level. Within three miles the land runs from 2,030 ft to 2,230 ft, a difference of 200 ft: rolling country. The highest named summit within 15 miles is Lone Wolf Mountain, about 2,460 ft, 14 miles northeast.
The section below crosses 3 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale. Age: Middle Triassic to Late Triassic, 208 to 247 million years old. About 21 mi of the line.
Sand. Age: Pleistocene to Holocene, less than 2.6 million years old. About 2 mi of the line.
Sand. Age: Pleistocene to Holocene, less than 2.6 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 Lake Colorado City reaches the Gulf of America by way of Morgan Creek and the Colorado: about 780 river miles.
Lakes on the way: Buchanan Lake, Lake Marble Falls, E V Spence Reservoir and Lake Lyndon B Johnson.
320 miles of the trip are on the Colorado.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Lake Colorado City; river miles along the main stem, rounded.
