[2] It is named after Umtiza listeriana, a rare and protected legume found within the reserve.

[3] The Buffalo Pass traverses the entirety of the reserve and the surrounding Controlled Forest Area.

The Fort Grey State forest which is found south of the current reserve, was proclaimed a protected forest prior to the Union of South Africa.

[4] In 2020, an area of 1,858.48 ha (4,592.4 acres) surrounding the reserve, which include the Grey Dell and Fort Grey forest areas, and private farmland, were declared a Controlled Forest Area to prevent deforestation and rehabilitate the remaining Umtiza Forest.

There are 30-40 bird species in the reserve,[5] including:[3] Samango monkeys along with bushbuck, common duiker, blue duiker, tree dassies[5] and porcupines can be found in the reserve.