The Heritage Park Plaza, also known as Heritage Plaza or Heritage Park Overlook or Upper Heritage Park, in Fort Worth, Texas is a Modernist style park that was designed by Lawrence Halprin. The listed area is a 1/2 acre portion of the 112-acre (0.45 km2) Heritage Park. It is located at the northern edge of downtown Fort Worth and northwest of the Tarrant County Courthouse. The park lies at the original location where in the Spring of 1849, Major Ripley Arnold of the United States Army established a military post that became Fort Worth. The park opened on April 18, 1980.