[1] Situated at the foothills of the Outeniqua Mountains, the estate is surrounded by lush greenery and forests.

[2] Portland Manor is set on 212 acres of land and is about 10 km northwest of Knysna.

In 1774, the brother of Stephanus, Salomon Terblanche, was granted the farm 'Leeuwenbosch', where the Portland Estate stands on today.

By 1840, Captain Thomas Henry Duthie had purchased two additional farms from his father-in-law (George Rex), namely Westford and Portland.

In 1842, Sir Henry Barrington bought Portland from Duthie, setting out to build a lavish country home, which only happened later in 1863.