The Green Mountain Falls 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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Green Mountain Falls’s center stands about 7,840 ft above sea level. Within three miles the land runs from 7,580 ft to 9,870 ft, a difference of 2,290 ft: mountain country. The highest named summit within 15 miles is Pikes Peak, about 14,100 ft, 7 miles south-southwest.
Under the town center the state geologic map shows Rocks of Pikes Peak Batholith (1000-m.y. age group) (granite, alkali-feldspar-granite), from the Mesoproterozoic, 1 to 1.6 billion years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 4×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granite, alkali-feldspar-granite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 24 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 Green Mountain Falls reaches the Gulf of America by way of Fountain Creek, the Arkansas and the Mississippi: about 1,920 river miles.
Lakes on the way: Murray Lake and Ozark Lake.
970 miles of the trip are on the Arkansas.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Green Mountain Falls; river miles along the main stem, rounded.
