Frank Hann National Park is an inland sandplain located in the Shire of Lake Grace, Western Australia.
Spanning over 3,823 hectares, the park is named after Frank Hann, an early explorer of the district. It is situated within the Eastern Mallee subregion and does not charge an entrance fee.
The park is home to a diverse range of flora, including seasonal wildflowers such as Acacia mackeyana, Acacia dissona, and Banksia xylothemelia. Its fauna includes lizards like the marbled gecko, clawless gecko, crested dragon, callose-palmed shining-skink, and bright crevice skink. Various frog species, such as Myobatrachus gouldii, Pseudophryne guentheri, and Limnodynastes dorsalis, can also be found in the park.
Frank Hann National Park is known for its birdlife, which includes the emu, Nankeen kestrel, brown falcon, little eagle, crested pigeon, brush bronzewing, mulga parrot, and Australian bustard. The park also provides a safe haven for mammals like the short-beaked echidna, western quoll, Gilbert's dunnart, honey possum, western grey kangaroo, western brush wallaby, Gould's wattled bat, and Mitchell's hopping mouse.
While the park does not have any facilities, visitors are welcome to bring their own camping equipment and stay in designated areas newline.