Category: Between Casts

People often ask when the best time to fish the Goulburn is.

The truth is that there isn’t really a single answer.

The river changes enormously across the course of a season. Water levels rise and fall with irrigation demand. Insect hatches build and collapse. Trout reposition themselves constantly as current speeds, temperatures and food sources evolve from spring through to winter.

In many ways, the Goulburn fishes like several completely different rivers across a single season.

That is part of what keeps it endlessly interesting.

The Goulburn has occupied a large part of my working life since the mid-1990s. When I first began guiding here, drift boats were virtually unknown in Victoria. Most anglers approached the river on foot and much of the water we routinely fish today received relatively little attention. Over the decades I have watched floods reshape entire bends, seen drought reduce sections of river to a shadow of themselves, witnessed extraordinary insect hatches and endured years where fish populations struggled badly.

The river has changed repeatedly.

So have the anglers.

And perhaps so have I.

Yet despite all those changes, certain seasonal rhythms continue reappearing often enough that you begin recognising them almost instinctively. Not as rigid rules—rivers rarely obey those for long—but as recurring moods that shape the character of the river from opening day through until winter.

This is not intended as a technical manual.

More simply, it is an overview of how the river tends to evolve from opening day through to the close of the season, and some of the lessons it has taught me along the way.

SPRING

September – Low Water, Clear Flows and Careful Fishing

Opening week on the Goulburn often arrives with the river running low and exceptionally clear.

Unless Lake Eildon is near spilling, releases are usually reduced heavily throughout winter and early spring while water is captured for the irrigation season ahead. The result is a river sitting near minimum flow levels with beautiful clarity and highly wadable conditions.

At the same time, many surrounding freestone rivers remain cold, high or discoloured from winter rain and snowmelt.Low water conditions in September

That contrast is one of the reasons the Goulburn becomes so important early in the season. While many rivers remain difficult to fish, the Goulburn is often stable, accessible and already producing hatches.

The trout, however, can be extremely cautious.

 

Months of low, clear water make fish nervous and highly aware of movement. Large browns frequently sit along inside bends, gravel edges and shallow feeding lanes where they are easily spooked by careless approaches.

September is not generally a month for charging around the river.

It rewards patience, long leaders, careful positioning, good light and accurate presentation.

One of the great mistakes many anglers make in September is assuming the fish are difficult because they are not feeding. Usually they are feeding quite actively. The problem is that they can see almost everything. Shadows, poor wading, drag, heavy footfalls and rushed casting all become magnified in low clear water.

The fishing early in the month remains largely subsurface, though evening rises build steadily week by week. Midges dominate initially, along with small mayflies and scattered caddis activity. Yet even during opening week, larger pale duns often appear unexpectedly during mild evenings.

That first proper spring rise after winter remains one of the great pleasures of the season.

October – The River Wakes Properly

By October, the Goulburn begins feeling fully alive again.

Water temperatures rise noticeably and insect life accelerates quickly. Depending on rainfall and irrigationbwo_02_L demand, flows may remain relatively low or begin climbing steadily through the month, but either way the river generally fishes exceptionally well.

This is when the first truly significant hatches begin occurring consistently.

Caddis appear in heavy numbers through the day. Mayflies build each evening. Caenids begin hatching in extraordinary densities on calm mornings.

Some years the river feels almost covered in insects.

And importantly, the trout know it.

October dry-fly fishing on the Goulburn can become remarkably technical. During heavy caenid activity especially, trout often feed rhythmically and selectively in flat slick water. Tiny flies, long leaders and drag-free presentation matter far more than heroic casting distance.

Many anglers overcomplicate imitation during these hatches.

Presentation usually matters more.

Getting the fly into the correct lane at the correct moment is everything.

There are mornings during peak caenid activity where the Goulburn rivals any dry-fly fishery I have seen anywhere in the world. That may sound like a bold statement, but after spending considerable time fishing New Zealand, Montana and other celebrated trout destinations, I remain convinced that the Goulburn at its best deserves far more recognition than it receives.

November – Crescendo

If October is excellent, November often becomes ridiculous.

By now almost everything is hatching.

Caenids at first light. Caddis throughout the day. Large evening mayflies. Spinners at dusk. Stoneflies. Flying ants. Termites on humid afternoons.

The river enters a period of abundance where trout seem permanently tuned toward the surface.

This is one of the great dry-fly months on the Goulburn.

The famous Kossie Dun also begins making regular appearances around this time. These large mayflies emerge right on last light and can trigger explosive short-lived feeding windows from some of the river’s better fish.

There are evenings where trout ignore almost everything for hours, then suddenly begin feeding aggressively during the final twenty minutes of fading light.

You learn to stay late in November.

Many memorable fish are hooked after most sensible people have already started walking back toward the car.

Termite falls can also produce astonishing fishing during humid weather. Fish become completely locked onto them and rise with extraordinary confidence. Having a good imitation during one of these falls can transform an ordinary afternoon into something unforgettable.

November feels like abundance.

The river is rich. The trout are active. The insect life is extraordinary.

Everything seems to be happening at once.

SUMMER

December – Terrestrials and Edge Water

By December, the river usually rises significantly as irrigation demand increases downstream.

Higher flows change the entire shape of the fishing.

Fish move tighter to structure and softer edge water while the main currents become faster and less efficient feeding zones. Trout begin sitting astonishingly close to the banks beneath grass, willow roots and submerged structure where slower current delivers food consistently.

This is where drift boats become incredibly effective.

The rise of irrigation flows during summer was one of the reasons drift boats proved so valuable when we first introduced them to the river. Water that is difficult or impossible to fish effectively on foot suddenly becomes accessible. Long banks lined with willows, undercut grass edges and flooded structure can be covered quietly and efficiently.

Many visitors are surprised by how little of the river’s productive summer water is actually located in the middle. The best lies are often only a metre or two from the bank.

Summer also marks the beginning of the great terrestrial period.

Cicadas appear. Hoppers increase. Beetles become important.

And then eventually the willow grubs begin falling.

For many Goulburn anglers, willow grub fishing defines summer entirely.A sequence of a solid Goulburn brown eating willow grubs beneath the trees

Fish feed on them with astonishing commitment, often rising repeatedly beneath overhanging willows for hours at a time. Large trout simply patrol beneath the trees waiting for the next helpless grub to fall.

The river feels rich during December.

The river feels rich during December, and the trout are among its greatest beneficiaries.

January and February – The Tailwater’s Great Advantage

January and February reveal the Goulburn’s greatest strength.

While surrounding rivers often become warm, low and increasingly stressed by summer heat, the tailwater influence keeps the Goulburn comparatively cool and productive. This is what makes it such a special fishery.

Backwaters, flooded edges and softer side channels become critical.

These areas hold extraordinary numbers of trout throughout summer, many of them large fish feeding quietly away from the heavier main current.

This is visual fishing at its best.

You often see the trout before casting. Watch them feeding. Position the boat carefully. Then attempt to place the fly naturally into tight feeding lanes along the edges.

Some of the river’s biggest browns become surprisingly vulnerable during this period.

Provided you approach properly.Willow grubbers are voracious and you often catch the same fish immediately after dropping it. The second fly in this one was from a break-off the previous day.

The backwaters become fascinating places. Large trout cruise slowly through submerged grass and quiet lagoons feeding on everything from beetles and hoppers through to spiders, wasps and drowned insects washed from the banks.

Big attractor patterns fish extremely well now, though paradoxically downsizing can also become important when fish become suspicious in very clear water.

That contradiction is very Goulburn.

AUTUMN

March – TransitionMarch is a month of slow transition

March sits between seasons.

The heat still lingers. The terrestrial fishing remains productive. But the river slowly begins changing direction again.

 

Water levels often fall gradually and the first stronger aquatic hatches begin rebuilding after the heavy irrigation flows of high summer.

The trout remain fat and heavily conditioned from months of easy feeding.

Backwaters continue fishing well, though fish slowly redistribute back toward seams, runs and bubble lines as flows decrease and aquatic insects regain importance.

There are no strict rules in March.

And that uncertainty makes it wonderfully interesting.

April – Perhaps the River’s Finest Month

If forced to choose a favourite month on the Goulburn, April would be very difficult to overlook.

The river often settles into beautiful medium flows. The weather softens. The crowds reduce. The fish feed heavily ahead of winter.

And importantly, both terrestrial and aquatic fishing remain excellent simultaneously.

Few months offer such variety.

You can still catch trout confidently on hoppers, beetles and ants while also encountering increasingly technical mayfly and caddis fishing.

Autumn feels different emotionally as well.

The urgency of spring has passed. The abundance of summer begins fading. The river seems to slow its breathing slightly. Mornings arrive cooler. Shadows lengthen earlier. The first leaves begin drifting onto the water.

Perhaps because I have spent so many years guiding through these months, autumn increasingly feels like the season when the river becomes easiest to appreciate.

Not necessarily easiest to fish.

But easiest to understand.

May – Quiet Water and Precision

May is perhaps the most beautiful month on the Goulburn.

Cool mornings. Still air. Low clear water. Trout rising steadily through the middle of the day.

The river slows down now.

Midges and blue-winged olives dominate much of the fishing. Presentation becomes increasingly delicate and fish become highly aware of movement again after the heavier summer flows disappear.

Stealth matters enormously.

You begin stalking fish properly once more.

Careful wading. Long leaders. Tiny flies. Soft approaches.

The rewards, however, are immense.

May trout are often in magnificent condition and the atmosphere along the river during stable autumn weather can feel almost perfect.

And occasionally, almost absurdly, Kossie duns still appear right into late May and even June.

The river always retains the ability to surprise you.

WINTER

June to August – The River Rests

The trout season closes during winter so fish can spawn undisturbed.

For guides and anglers, winter becomes the season of tying flies, servicing gear, writing, planning and thinking ahead toward spring once again.

Or occasionally heading north to Montana and Idaho where another trout season is just beginning.

The cycle never really stops.

Only shifts hemispheres.

Final Thoughts

People often ask whether I ever become bored guiding the same river for so many years.

The honest answer is no.

Partly because the river never truly repeats itself.

But mostly because familiarity and understanding are not the same thing.

The longer I spend on the Goulburn, the more I realise how much remains to be learned. Every flood changes something. Every drought reveals something. Every season offers new puzzles for those paying attention.

That, perhaps, is the real gift of a tailwater.

Not consistency.

Curiosity.

The Goulburn is not perfect. No river is. It has endured floods, droughts, changing water management, cormorant pressure and countless other challenges over the years. Yet it remains one of the most fascinating trout fisheries in Australia.

Thirty years later, the river is still teaching.

And I suspect it always will.

Ant

Small Flies, Clear Water and Slowing Seasons

Late autumn on the Goulburn has a very different feel to spring.

The river quietens.
The crowds thin.
The light lowers.
Mornings become colder and the urgency of summer fades slowly from the valley.

For many anglers, it can be a frustrating time of year. Water levels are often low and exceptionally clear. Fish become cautious after months of pressure and the easy, aggressive feeding behaviour of warmer months begins tapering away. Conditions grow more technical almost week by week.

But late season fishing has always held a certain appeal for those willing to slow down with it.

There is a subtlety to autumn fishing that rewards patience and observation far more than aggression.

The trout are still there.
In many cases they are feeding consistently.
They simply demand a more thoughtful approach.

As flows reduce, fish become increasingly concentrated in the better holding water. Long glides, softer seams and deeper runs begin carrying greater importance while shallow summer lies gradually lose oxygen and current speed. Large trout in particular become very selective about where they position themselves.

This concentration can work in the angler’s favour.

The fish are often easier to locate visually.
The difficulty lies in approaching them properly.

Low clear water magnifies everything:
footsteps,
false casts,
drag,
poor angles,
heavy leaders,
careless movement.

Many late-season fish are lost before the fly even lands simply because the trout became aware of the angler too early.

This is the time of year where slowing down becomes critical.

Walk carefully.
Approach from further away.
Use the light thoughtfully.
Spend more time observing before casting.

Good autumn fishing often feels less like searching and more like quiet stalking.

The insect life changes too.

Gone are many of the larger summer terrestrials and splashier dry fly eats that dominate warmer months. Instead, autumn on the Goulburn increasingly revolves around smaller mayflies, midge activity and subtle emergences that occur during the warmer parts of the day.

These hatches rarely announce themselves dramatically.

You might notice only the occasional rise initially.
A single fish feeding quietly beneath overhanging branches.
A few tiny duns drifting in softer current.
Then gradually the river comes alive for an hour before settling back down again.

Those windows matter enormously.

And this is where understanding entomology genuinely helps anglers. Not in an overly scientific sense, but in simply recognising what the trout are actually feeding on and adjusting accordingly.

Late-season trout can become remarkably specific.

Longer leaders.
Finer tippet.
More accurate drifts.
Smaller flies.

All begin mattering more.

There are days in autumn where changing from a slightly overdressed dry fly to a sparse emerger suddenly transforms refusal after refusal into confident takes. Similarly, trout feeding just beneath the film may completely ignore high-floating dries while happily eating subtle soft hackles or lightly weighted nymphs suspended only inches below the surface.

The fish are still feeding.

You simply need to pay closer attention to how they are feeding.

Timing also becomes increasingly important during late autumn.

Cold mornings often fish slowly until the sun reaches the water properly and insect activity begins building. Generally speaking, the better fishing windows tend to occur from late morning through mid-afternoon once water temperatures rise slightly and the river settles into the day.

That slower rhythm is part of autumn’s appeal.

There is less pressure to race onto the river before daylight. The days become more measured. You can stand quietly beside a run drinking coffee while waiting for the first genuine signs of activity rather than charging around trying to force something to happen.

And occasionally, when conditions align properly, autumn can produce some of the most satisfying dry fly fishing of the entire season.

Not because the numbers are enormous.
But because everything feels more technical and earned.

Good fish in low clear autumn water rarely come easily.

They demand careful positioning.
Good presentation.
Patience.
Restraint.

The river exposes sloppy fishing quickly at this time of year.

Still, for anglers willing to adapt, late season fishing can be deeply rewarding. The valley is quieter. The weather softer. The atmosphere calmer. Even the trout seem somehow more connected to the slowing pace of the season itself.

Eventually winter arrives properly and the river begins closing down.

But before that happens, there is often a final stretch of beautiful technical fishing available to those prepared to fish carefully enough to appreciate it.