[1] Many native species not found on the mainland can be found at Glenfern Sanctuary Regional Park, including the chevron skink (niho taniwha), the black petrel (tāiko), Cook's petrel (tītī), the brown teal (pāteke), banded rail (moho-pererū) and kākā parrots.

[1] The Glenfern Sanctuary Regional Park was historically named Rarohara by Ngāti Rehua / Ngātiwai ancestor Turi in the 14th century.

Archaeological remains of stone gardens (māra) are found within Glenfern Sanctuary Regional Park.

[8] Walking and guided tours are popular activities for visitors to Glenfern Sanctuary Regional Park.

[1] A 2 kilometres (1.2 mi) walking track can be found in the regional park, which includes a swing bridge that allows access to the canopy of a 600 year old kauri.