The large pond is drained annually as part of conservation efforts and a general clean up.

The removal of fish from the pond is necessary to prevent a decline in the great crested newt's population, a rare amphibian present in the park.

Whereas birds such as bullfinches, redwings, swallows, house martins, snipes, mute swans, great tits, goldfinches, magpies, chaffinches, and water rails are also present in the park.

[14] The park is part of the Stryt Las a'r Hafod Site of Special Scientific Interest (SSSI).

[5][6][15] A wildfowl population, such as ducks and swans (mute swans), have been recorded in the large pond, with the park also having managing issues with crassula, in particular the invasive species crassula helmsii which can destroy life in the ponds.