Green Castle, MO
- Elevation
- 1,045 ft USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
- General Quality Overall rating out of 100
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About Green Castle
Located in eastern Sullivan County, Green Castle has an entertaining history shaped by a nineteenth-century railroad mix-up. The town was founded in 1857 and named after railroad official Amos Green, but when the tracks were actually laid, the depot ended up a mile outside of town. Locals started calling the station Castle, sparking a lighthearted naming divide between the train stop and the post office. Over time, the community grew around its local mills, shops, and depot. Today, Green Castle is a quiet, friendly rural community where that old railroad mix-up is still remembered as part of its charm.
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