The Tronoh Dredge Hole was created in the mid 20th century when a section of the Ovens
River East Branch was cut off from the main river course to dredge it for gold. The hole has
filled up with water to create a small lake. It was enhanced as a swimming destination by local volunteers,
who have since added a quirkily named jetty and a floating swimming pontoon. The lake is nestled in amongst a mix of tall native and European trees,
with walking tracks around the edge of the lake and through the surrounding forest.
Joop's Jetty at Tronoh Dredge Hole with the swimming pontoon in the distance
The lake has been plagued by algal blooms in recent years, primarily due to the lack of throughflow. On my last visit there was a noisy pump
working away in the far corner of the lake, trying to push through some fresh water. Despite the best efforts of the pump, there were
still several large mats of algae floating on the leeward side of the lake. I hope that the efforts to eliminate the algae are successful, and
that this swimming hole can be restored to its former glory. There is a second lake to the north of the jetty that is connected to the main dredge hole,
but this smaller lake was quite stagnant and is not suitable for swimming.
As a dredge hole, the banks of the lake are quite steep, and the water depth increases quickly away from the shore. Therefore, this swimming
spot is best suited to experienced swimmers who can tread water without needing to stand up.
Even if you decide not to get into the water, this picturesque spot is worth a visit for a walk through the surrounding forest trails or for
a picnic with a view of the lake. For anyone with an interest in geomorphology, the nearby Ovens River East
Branch is eerily straight, presumably because the river bends were taken out by the dredging activities.
This swimming hole did not make it into my top 50 in Victoria because of its recent history of algal blooms. There is a lesser known swimming
hole in the nearby Ovens River East Branch that did make it into my top 50. If you want to know where it is, grab a copy of the guide to
Freshwater Swimming Holes in Victoria.
Essential Information Before You Go:
Tronoh Dredge Reserve, Feathertop Track, Harrietville, 350 km
(approx. 4 hr 15 mins drive) north east of the Melbourne CBD
From the Great Alpine Rd in Harrietville turn left at
Feathertop Track before you reach the main town centre. Tronoh Dredge Reserve
is signposted just after the first bend. Drive through the small pine forest
to the car park.
Toilets, woodfire bbq, jetty, picnic tables, walking tracks,
life buoy, pontoon
Maximum water depth:
Greater than 2 metres
Minimum swimming proficiency required:
Prohibitions including whether you can bring your dog:
No camping, no littering
Shade available out of the water
Wheelchair accessible toilets, but uneven and sloping ground
with no designated wheelchair accessible paths.
Camping is not permitted at the lake. If you are staying overnight in the area, you can try
accommodation near this dredge hole
Nearby attractions: Bright Splash Park
, 20 km south of Harrietville.
Before you head out, make sure to read the
swimming safety information.
Specific to this swimming hole, the toxins in algal blooms have been linked to neurological
disorders, so don't swim in the water if algal blooms are present. The managing authority warns that there is deep water and submerged objects.
The marker indicates the approximate location of the car park at the Tronoh Dredge Hole.
Change of Conditions:
I am not currently aware of any change of conditions reported at this site by the managing authority, or by swimmers on this website.
If you are visiting this swimming spot and have any further updates on any change of conditions, let me know via the comment form below.
If you have swum at Tronoh Dredge Hole, I would love to hear about your experiences, so please fill in the following comment form.
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© Brad Neal 2018. All rights reserved.