Ghost TownUSA

Ghost Town · Washington

Theon

A ghost town of unknown status in Asotin County County, Washington.

By the Ghost Town USA research team Last reviewed September 2026

Some ghost towns feel like museums. Theon feels like an interruption — a place that stopped mid-sentence. Theon was a town in Asotin County, Washington. Established in 1884, Theon was named after Daniel Theon Welch, a local merchant. A post office called Theon operated from 1880 to 1909.

Asotin County County holds 4 documented ghost towns, including Craige, Hanson Ferry, Zindel — Theon keeps them company on the map.

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The story of Theon

Washington's ghost towns are mill towns and mining camps in country so green the forest is already taking them back.

Theon was a town in Asotin County, Washington. Established in 1884, Theon was named after Daniel Theon Welch, a local merchant. A post office called Theon operated from 1880 to 1909.

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What you'll find today

The on-the-ground condition of Theon 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 Theon 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 Theon is roughly 46.1547, -117.0961 — 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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Theon FAQs

01Where is Theon located?
Theon is in Asotin County County, Washington, mapped near 46.1547, -117.0961.
02What county is Theon in?
Theon sits in Asotin County County, Washington. See our full guide to ghost towns in Asotin County County for its neighbors.
03What is the history of Theon?
Theon was a town in Asotin County, Washington. Established in 1884, Theon was named after Daniel Theon Welch, a local merchant. A post office called Theon operated from 1880 to 1909.
04What remains at Theon today?
The on-the-ground condition of Theon 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 Theon?
Here's the honest truth: access to Theon 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 Theon is roughly 46.1547, -117.0961 — use it as a starting point and cross-reference a current topographic map before leaving pavement.

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

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More in Asotin County County

All 4 ghost towns in Asotin County County →