Columbia Park was a baseball field in Altoona, Pennsylvania, which was used at the home field for the Altoona Mountain Citys of the Union Association (UA) during the league's only season in 1884. The longest UA game by innings played was played on May 27, 1884 in Columbia Park, with the Mountain Citys beating the Baltimore Monumentals by a score of 3–2 in 13 innings.

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