Glen Mervyn Dam is located on the Collie to Preston Road 18 km south of the town of Collie.
It is a popular site for camping and water skiing but if you enjoy peace and quiet while you camp, don't go anywhere near it
during peak periods.
The bush campsite is located on the western side of the lake and is accessible via Best Road (unsealed). The campsites are
mostly suitable for tents and camper trailers and there is a toilet available but it is a long way from most camp sites.
Campfires are NOT allowed at this site so if you need to cook, you will have to take a gas stove.
Camp sites are scattered along the western edge of the dam with some accessible by 2wd but others only accessible by 4wd.
On the eastern shore, toilets and picnic tables are provided in the day-use picnic area and near the dam wall.
A toilet is also located at the boat ramp.
There are no bins at the dam so please take all your rubbish home and dispose of it there.
Dogs are permitted at the lake but be warned, 1080 baits are used in the area and are fatal to pets.
Keep dogs on a leash at all times.
If you intend to water ski on the dam please check out the rules for
Be aware that water skiing is not allowed when water levels are too low.
Other activities at the dam include fishing, swimming and bush walking. The Bibbulmun Track passes
close to the dam and crosses the dam wall.
If you want to fish you may catch Redfin Perch, Rainbow or Brown Trout but remember, you need an inland fishing license. There
are also Marron in the dam but you need a separate licence to catch them and the season and bag limits
are strictly enforced.
Video available from July 30th 2023
Best time to visit: