Drive to Blackwood on the Western Highway via Melton and Bacchus Marsh. Take the Greendale-Myrninong Rd and then the Greendale-Trentham Rd to Blackwood. In Blackwood turn west at Simmons Reef Road, drive for about 2km, then about 100m before Garden of St Erth turn right down Wombat Forest Drive (Lerderderg Road). Follow the main road for about 7.5km, cross over a small wooden bridge, park at Nolans Creek Picnic Area on the right.
Mobile phone coverage information
DELWP: Information on the Wombat State Forest (describes a drive in the area but some information that is relevant to the walk).
Great Dividing Trail Association: Information on Balt Camp walk (can buy guides/maps of the GDT via this website)