The Glenelg River is the central feature of the Lower Glenelg National Park. Along the last part of its winding 400 kilometre path to the sea the river has carved a spectacular gorge up to 50 metres deep through limestone. River erosion and the action of rainwater have created a remarkable cave.There are great places for fishing, canoeing, camping and picknicking along the Glenelg River.Explore Lower Glenelg and Discovery Bay on the 250 kilometre Great South West Walk, linking Portland and Nelson via the river and coast. Another highlight is the Princess Margaret Rose Cave, where you can join a guided tour of amazing limestone formations.Aboriginal Traditional OwnersParks Victoria acknowledges the Aboriginal Traditional Owners of Victoria - including its parks and reserves. Through their cultural traditions, Aboriginal people maintain their connection to their ancestral lands and waters. Before you goConditions can change in parks for many reasons. For the latest information on changes to local conditions, please visit the relevant park page on the Parks Victoria website.Be bushfire ready in the great outdoors. Refer to the Bushfire Safety section on the Parks Victoria website for tips on how to stay safe. Content: Parks Victoria Access is from the Portland-Nelson Road or via Dartmoor (Melway ref: 525 H6).