Auchmar House is the centrepiece of Clairmont Park, the estate of the Honourable Isaac Buchanan (1810–1883), one of Hamilton's most influential citizens. It was built between 1852 and 1854 and is located at the northeast corner of Fennell Avenue and West 5th. The manor house, its several remaining outbuildings, and stone orchard wall occupy about 8 acres (32,000 m2) of land which include most of the original built features of the estate. However, the tiny Gatekeeper's Lodge, which resembles Auchmar House architecturally, became detached from the remainder of Clairmont Park. (It is located on the mountain brow at 71 Claremont Drive.) Auchmar House and the remaining contiguous portion of the Buchanan estate is a unique heritage asset owned by the citizens of Hamilton and is recognized by the