The Allegheny, the Monongahela, and the Ohio.
The Allegheny comes down from NY and is the North-eastern most tributary of the Mississippi. It's navigable by small boat for most of it's 300+ miles and is used for recreation along nearly all of it as well as for coal transportation along a great deal of it's southern waters.
The "Mon" comes up from West Virginia, flowing North out of the the western foothills of the Appalachian Mountains. It's navigable it's entire length from Fairmont, WV to the Point (where it meets the Allegheny to form the Ohio). The Mon is the sight of some amazing American history. The valley around the Mon was the sight on the Whiskey Rebellion, was the birthplace of the Steel Industry and is today experiencing a rebirth as a place for recreation and economic revitalization.
The Ohio is formed at Pittsburgh's "Point" which helps shape the Golden Triangle making Pittsburgh an unmistakeable and stunning skyline. The industrial history of Pittsburgh lead to the Ohio being a very polluted and dirty river as late as 15 to 20 years ago but the shuttering of industrial polluters and the focused clean-up of dedicated groups like Friends of the Riverfront have lead to the Ohio's rebirth as a great recreational river. Fishing, boating, waterskiing, kayaking, and even swimming are now not-uncommon in the Ohio near the Point and farther south.
When the the Mon and the Allegheny Rivers meet to form the Ohio it flows all the way to Cairo ,Illinois where it flows into the Mississippi River. When the Mighty Mississippi then flows into the Gulf of Mexico . Two thirds of all the water is that which came from the Ohio.
Pittsburgh Three Rivers Regatta was created in 1977.
The Ohio, Monongahela and Allegheny Rivers
Pittsburgh, Pennsylvania
The confluence of the Alleghaney and Monogahela Rivers form the Ohio River at Point State Park in Pittsburgh. Thus the three rivers that "come together" at that point are the Ohio, Allegahaney and Monogahela.
The phrase "Three Rivers" is associated with the location of Pittsburgh, Pennsylvania.The three rivers in Pittsburgh are the Monongahela River, the Allegheny River and the Ohio River.The phrase "Three Rivers" has obviously been in use since Whites entered the area. But by the 1970s, it became a marketing campaign strategy. From events like The Three Rivers Arts Festival, every imaginable business and endeavor was named Three Rivers ___. Three Rivers Stadium, now torn down, was home to the Pittsburgh Pirates (baseball) and was one of the most famous places.
The Allegheny River and Monongahela River join to form the Ohio River at Pittsburgh, Pennsylvania. Hence the stadium was named after the three rivers that converge there.
the triangle refers to the three rivers in pittsburgh. Alternatley it refers to the area in downtown pittsburgh, the 'golden triangle.'
Bernard L. Flynn entered a contest by the Pittsburgh Post Gazette in 1969 to name the new Pittsburgh Stadium. He sent in the name Three Rivers Stadium and he won the contest.
Three Rivers Stadium
Roberto Clemente played at Forbes Field, and Three Rivers Stadium in Pittsburgh.
it means the three rivers that converge in Pittsburgh
Three Rivers stadium