Ghost TownUSA

Ghost Town · Colorado

San Juan City

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

By the Ghost Town USA research team Last reviewed September 2026

There's a particular quiet you only find where a town used to be. San Juan City has it. San Juan City was designated the county seat of Hinsdale County, Colorado when the county was established on February 10, 1874. On February 23, 1875, voters decided to move the county seat to Lake City.

Mineral County holds 7 documented ghost towns, including Bachelor, North Creede, Spar City — San Juan City keeps them company on the map.

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The story of San Juan City

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

San Juan City was designated the county seat of Hinsdale County, Colorado when the county was established on February 10, 1874. On February 23, 1875, voters decided to move the county seat to Lake City. The town began as a mining camp, with the goal to become a hub for transportation of supplies to area mines. After a year as the county seat, it became a stage stop, offering food and lodging. It operated as a stage stop, post office, and roadhouse into the 1880s. In 1893, San Juan City became part of Mineral County, Colorado.

Calling it San Juan City was either optimism or a very good joke — boomtowns were never modest about their ambitions.

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What you'll find today

The on-the-ground condition of San Juan City 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 San Juan City 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 San Juan City is roughly 37.7658, -107.1122 — 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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San Juan City FAQs

01Where is San Juan City located?
San Juan City is in Mineral County, Colorado, mapped near 37.7658, -107.1122.
02What county is San Juan City in?
San Juan City sits in Mineral County, Colorado. See our full guide to ghost towns in Mineral County for its neighbors.
03What is the history of San Juan City?
San Juan City was designated the county seat of Hinsdale County, Colorado when the county was established on February 10, 1874. On February 23, 1875, voters decided to move the county seat to Lake City.
04What remains at San Juan City today?
The on-the-ground condition of San Juan City 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 San Juan City?
Here's the honest truth: access to San Juan City 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 San Juan City is roughly 37.7658, -107.1122 — use it as a starting point and cross-reference a current topographic map before leaving pavement.

Sources: account based on Wikipedia (“San Juan City, Colorado”), CC BY-SA.

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More in Mineral County

All 7 ghost towns in Mineral County →