Ghost TownUSA

Ghost Town · Colorado

Fort Sedgwick

A ghost town of unknown status in Sedgwick County, Colorado.

By the Ghost Town USA research team Last reviewed September 2026

Fort Sedgwick ghost town, Colorado
Plate I — Fort Sedgwick, ColoradoPhoto: Anton Schonborn (Public domain) via Wikimedia Commons

Every ghost town is a bet that didn't pay off. Fort Sedgwick just shows the receipt more honestly than most. Fort Sedgwick, also known as Post at Julesburg, Camp Rankin, and Fort Rankin was a U.S. military post from 1864 to 1871, in Sedgwick County, Colorado. There are two historical markers for the former post.

Sedgwick County holds 2 documented ghost towns, including Fort Julesburg — Fort Sedgwick keeps them company on the map.

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The story of Fort Sedgwick

Colorado's high-country ghost towns sit at altitudes that would give a flatlander nosebleeds — silver camps killed by an 1893 vote in Washington.

Fort Sedgwick, also known as Post at Julesburg, Camp Rankin, and Fort Rankin was a U.S. military post from 1864 to 1871, in Sedgwick County, Colorado. There are two historical markers for the former post. The town was named for Fort Sedgwick, which was named after John Sedgwick, who was a major general in the Union Army during the American Civil War.

Fort Sedgwick started with soldiers before it had settlers — the frontier's usual order of operations.

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What you'll find today

The on-the-ground condition of Fort Sedgwick is unverified — it's listed here with unknown status. That could mean standing buildings, or an empty field. Go prepared for either, and consider sharing what you find so the record improves.

Nobody has confirmed the access situation, so treat any visit as reconnaissance: verify land ownership first, and be ready to admire from the road.

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Getting there

Here's the honest truth: access to Fort Sedgwick is unverified. We couldn't confirm whether the site sits on public land, private property, or something in between — so verify land ownership and local rules before visiting, and respect private property at all times. The mapped point for Fort Sedgwick is roughly 40.9389, -102.3783 — use it as a starting point and cross-reference a current topographic map before leaving pavement.

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Good to know

Ghost-town etiquette is simple: take only photographs. Removing artifacts is illegal on public lands and disrespectful everywhere else — and on federal land it can be a serious offense.

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Survey Map

Approximate position — verify access locally before visiting

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Fort Sedgwick FAQs

01Where is Fort Sedgwick located?
Fort Sedgwick is in Sedgwick County, Colorado, mapped near 40.9389, -102.3783.
02What county is Fort Sedgwick in?
Fort Sedgwick sits in Sedgwick County, Colorado. See our full guide to ghost towns in Sedgwick County for its neighbors.
03What is the history of Fort Sedgwick?
Fort Sedgwick, also known as Post at Julesburg, Camp Rankin, and Fort Rankin was a U.S. military post from 1864 to 1871, in Sedgwick County, Colorado. There are two historical markers for the former post.
04What remains at Fort Sedgwick today?
The on-the-ground condition of Fort Sedgwick is unverified — it's listed here with unknown status. That could mean standing buildings, or an empty field. Go prepared for either, and consider sharing what you find so the record improves.
05Can you visit Fort Sedgwick?
Here's the honest truth: access to Fort Sedgwick is unverified. We couldn't confirm whether the site sits on public land, private property, or something in between — so verify land ownership and local rules before visiting, and respect private property at all times. The mapped point for Fort Sedgwick is roughly 40.9389, -102.3783 — use it as a starting point and cross-reference a current topographic map before leaving pavement.

Sources: account based on Wikipedia (“Fort Sedgwick”), CC BY-SA.

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More in Sedgwick County

All 2 ghost towns in Sedgwick County →