The trail runs east-west through the city of Mount Gambier with its focal point being the former rail yards and railway station, which have been transformed into parklands and play areas while retaining much railway memorabilia.

A side trail begins at the Blue Lake Sports Park (Access: Search 190 Jubilee Hwy E, Mount Gambier), passes Umpherston Sinkhole and then joins the rail trail and progresses to the centre of the city and the railway station precinct.

West of the city, the rail trail splits into two at a junction, one following the Adelaide line for a further 3km, whilst the other follows the Millicent line for 3km.

Telford St to White Av (4.5 km)

Access: Search 46 Telford St, Mount Gambier

This section commences at the eastern end of Telford St and passes behind the Mount Gambier Showgrounds and Harness Racing Club.

The rail reserve is a wide linear park with housing at some distance from the trail.

At the Pick Ave crossing, a roadside cyclepath heads north to join the Princes Highway path, or south toward Blue Lake. A bakery is a few doors north of the trail.

At most road crossings, shops, cafes and hotels are easily accessible.

At the Riddoch Highway/Bay Road crossing, Cave Gardens are just 300m north.

Between Riddoch Hwy/Bay Road and Wehl St are the Mount Gambier Railway Lands, a wide landscaped public facility with artworks and restored railway buildings. A shopping mall with food court is opposite the railway station building.

Access to Engelbrecht Cave is via Bertha St and Victoria Tce (approx. 1km).

West of Bertha St the trail passes through the old railway yards with the remains of a turntable and other lines and buildings on its southern side. West of the turntable is the footprint of the old engine roundhouse.

South and west of the turntable/roundhouse is a large park with BMX and Pump Tracks.

There are no steep or dangerous sections, but take care at road crossings.

Picnic facilities and toilets are located within the Railway Lands precinct.

Side Trail – Telford St to Umpherston Sinkhole (1.2km)

Access: Search 46 Telford St, Mount Gambier

From the eastern end of the rail trail, head north on the sealed cyclepath to the Princes Highway. Turn right onto the roadside cyclepath and proceed east for approximately 400m to Umpherston sinkhole.

A kiosk, picnic facilities and toilets are located within the Umpherston park.

White Ave to Wandilo Rd (3km)

Access: Search Mount Gambier Junction Signal Box, Mount Gambier

After crossing White Avenue and passing the old signal box, the trail curves to the right following the old Adelaide line, passing through a mainly light industrial area before terminating at Wandilo Road in a semi-rural environment with some new housing estates.

Exercise caution at road crossings, particularly the busy Princes Highway.

Access: Search 107 Wandilo Rd, Suttontown

White Ave to Cafpirco Rd (3km)

Access: Search Mount Gambier Junction Signal Box, Mount Gambier

After crossing White Avenue and passing the old signal box, the trail also follows the old Millicent line straight ahead, passing through a light industrial area and some new suburban developments, then rural area before terminating at Cafpirco Road near the site of the old Compton siding.

Exercise caution at road crossings.

Access: Search 5PH9+VC Compton, South Australia