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Tarentum in Allegheny County, Pennsylvania — The American Northeast (Mid-Atlantic)
 

Orr's Block House

 
 
Orr's Block House Marker image. Click for full size.
Photographed by Mike Wintermantel, January 26, 2018
1. Orr's Block House Marker
Inscription. Built in 1783 by Cpt. Robert Orr.
This was built in the town of Tarentum for protection of the traders.
At the time Tarentum was known as a resting area for hunters and traders.
The blockhouse had a trap door and no windows, just peep holes for firing rifles.
The blockhouse that is now down in the park here was built in 1976, dedicated to the 200th anniversary.
Captain Robert Orr died in Kittanning on September 4, 1833.
The original blockhouse may have been destroyed before March of 1791.
 
Topics. This historical marker is listed in this topic list: Industry & Commerce. A significant historical month for this entry is March 1791.
 
Location. 40° 35.913′ N, 79° 45.418′ W. Marker is in Tarentum, Pennsylvania, in Allegheny County. It can be reached from East 1st Street. Marker is located in park beneath the Tarentum Bridge. Touch for map. Marker is in this post office area: Tarentum PA 15084, United States of America. Touch for directions.

Regionally, this marker is in Greater Pittsburgh. It is also in the American Northeast, in the Mid-Atlantic, in the Ohio River Valley, in Appalachia, and specifically in Northern Appalachia.
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Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the Viceroyalty of New France, the Haudenosaunee (Iroquois) Confederacy, and one of the original Thirteen Colonies.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Chartier's Old Town (a few steps from this marker); Pennsylvania Railroad Passenger Station (approx. 0.3 miles away); Henry Marie Brackenridge (approx. 0.4 miles away); World War II Field of Honor (approx. half a mile away); M60A3 Main Battle Tank (approx. half a mile away); SGT Robert L. Adams (approx. half a mile away); Korean and Vietnam Wars Memorial (approx. half a mile away); POW/MIA Memorial (approx. half a mile away). Touch for a list and map of all markers in Tarentum.
 
Also see . . .  Orr's Block House. (Submitted on January 26, 2018, by Mike Wintermantel of Pittsburgh, Pennsylvania.)
 
Orr's Block House Marker image. Click for full size.
Photographed by Mike Wintermantel, January 26, 2018
2. Orr's Block House Marker
Orr's Block House Marker image. Click for full size.
Photographed by Mike Wintermantel, January 26, 2018
3. Orr's Block House Marker
Orr's Block House Marker image. Click for full size.
Photographed by Mike Wintermantel, January 26, 2018
4. Orr's Block House Marker
Donors
Orr's Block House Marker image. Click for full size.
Photographed by Mike Wintermantel, January 26, 2018
5. Orr's Block House Marker
 
 
Credits. This page was last revised on July 13, 2021. It was originally submitted on January 26, 2018, by Mike Wintermantel of Pittsburgh, Pennsylvania. This page has been viewed 1,224 times since then and 165 times this year. Photos:   1, 2, 3, 4, 5. submitted on January 26, 2018, by Mike Wintermantel of Pittsburgh, Pennsylvania.
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Jul. 31, 2026