Mount Napier

Mount Napier State Park encompasses approximately 1,042 hectares in southwestern Victoria near Hamilton, protecting one of the most recently active volcanic features in the broader Budj Bim volcanic landscape. Mount Napier is a scoria cone volcano that last erupted approximately 7,000 to 9,000 years ago, making it among the most recently active volcanoes in Australia. The park contains a lava tube system that extends from the volcano and lava flows that spread across the surrounding basalt plain. The volcanic landscape is of geological and ecological significance and complements the nearby Budj Bim (Mount Eccles) National Park.

Mount Napier State Park supports wildlife typical of southwestern Victorian volcanic woodland and heath. Common wombats, swamp wallabies, and echidnas are present. The woodland supports various honeyeaters, parrots, and other bird species. The lava tubes provide roost habitat for bat species. The volcanic grassland and heathland support a diverse invertebrate community and various reptile species.

The vegetation of Mount Napier State Park reflects the volcanic soil types derived from the recent basalt eruptions. Grassy woodland of manna gum and yellow gum covers the lower basalt plain areas. The scoria cone itself supports specialized vegetation adapted to the freely draining, recently formed volcanic substrate. Heathland communities of native heaths and wattles occur on the park margins. The young volcanic soils support plant communities that differ from those on the older, more weathered basalts of the broader region.

Mount Napier is a well-preserved scoria cone and lava tube system formed during one of the most recent eruptions in mainland Australia. The scoria cone is composed of ejected volcanic cinders and bombs that accumulated around the eruption vent. Lava tubes formed as the surface of flowing lava solidified while the interior continued to flow, eventually draining to leave hollow tube features. The lava flows from Mount Napier extend for several kilometres across the surrounding basalt plain, including flows that reached what is now the Budj Bim lake system.

The park experiences a cool temperate maritime climate similar to the broader southwestern Victoria. Annual rainfall is approximately 700 to 800 millimetres. Summers are mild, winters cool and wet.

The Gunditjmara people have deep cultural connections to the Mount Napier volcanic landscape, which forms part of their traditional Dreaming narratives about the volcanic origins of their country. The eruption of Mount Napier may have been witnessed by the ancestors of the Gunditjmara people. European settlement of the Hamilton district began in the 1840s.

Mount Napier State Park was established to protect the significant volcanic geological features and associated natural habitats. The park's proximity to the Budj Bim UNESCO World Heritage Area adds to its cultural and geological significance. Parks Victoria manages the park in coordination with Gunditj Mirring Traditional Owners Aboriginal Corporation.

The summit walk to the top of the scoria cone provides excellent views across the volcanic landscape. The lava tube exploration is a geological attraction. The park can be combined with visits to the Budj Bim (Mount Eccles) National Park and the Lake Condah aquaculture system as part of an exploration of the Gunditjmara volcanic country.

The park has basic visitor facilities and walking tracks. Access is via local roads from Hamilton. Hamilton provides comprehensive visitor services. The park is approximately 300 kilometres from Melbourne.

Conservation management focuses on protecting the volcanic geological features and the native vegetation communities on the young volcanic soils. Weed invasion control and native vegetation restoration are ongoing priorities.