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Washington County

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Washington County, Administrative region with historic settlements in southeastern Ohio, United States.

Description

Washington County is an administrative region in southeastern Ohio along the Ohio River, featuring rolling hills, forests, and farmland spread across its territory. The county includes several small towns and communities, with Marietta serving as the county seat, offering a mix of rural and more developed areas.

History

The county was established in 1788 as the first organized county in the Northwest Territory of the United States. This early administrative structure helped shape settlement patterns and development throughout the region, making it a starting point for westward expansion.

Culture

The county is home to several museums, including Campus Martius Museum and Historic Fort Harmar, which display artifacts and stories from the early settlement period. These institutions help visitors understand how the first settlers lived and built their communities here.

Practical

Visitors can explore the county most easily by car or on foot using local roads that connect the various towns and natural areas throughout the region. Spring through fall offers the best visiting conditions, when weather is pleasant and most outdoor attractions and museums operate regular hours.

Did you know?

The Ohio River and several tributaries create a waterway network that served early settlers for transportation and trade. This river system continues to shape the landscape today and offers boating and fishing opportunities that many visitors overlook.

Location
Inception
July 27, 1788
Capital city
Marietta
Reference
WAS
Shares border with
Noble County, Pleasants County, Monroe County, Tyler County, Wood County, Athens County, Morgan County
GPS coordinates
39.46000,-81.49000
Latest update
December 23, 2025 19:10

AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide. Discover all places nearby (Ohio).

Around this place
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Mound Cemetery
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Blennerhassett Hotel
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Hi Carpenter Memorial Bridge
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Fort Harmar
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Memorial Bridge
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Henderson Hall Historic District
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Rufus Putnam House
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Campus Martius Museum
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Harmar Historic District
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Administrative divisions
« Washington County - Administrative region with historic settlements in southeastern Ohio, United States » is provided by Around Us (aroundus.com). Images and texts are derived from Wikimedia project under a Creative Commons license. You are allowed to copy, distribute, and modify copies of this page, under the conditions set by the license, as long as this note is clearly visible.

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