The Gungarlin is a tributary of the Snowy. The gradient chart shows where it steepens and where it eases, and the bank cover chart shows how much of the corridor is shaded by trees or open to grass and sky.

On a small river like this, trout hold where the food line and a bit of shelter meet: the seam at the head of a pool, the slower water behind a boulder, an undercut bank with shade over it. Where the banks are open, expect fish to be spookier and to sit deeper through the middle of a bright day. Where they are wooded, look for fish tight under overhanging branches.

The stocking chart shows brown trout released across several seasons and rainbow trout in an earlier one. Stocking tells you what has been put in, not how many survive, so read it as a reason to fish here rather than a head count.

Stream trout eat what drifts to them: mayfly and caddis nymphs off the bottom, emerging insects in the film, and beetles, ants and hoppers falling from the banks in summer. A first-visit box can stay small. Carry a few Hare’s Ear and Pheasant Tail nymphs in sizes 12 to 16, a Royal Wulff or Stimulator to float them, an Elk Hair Caddis for the evening, and a couple of small dark Woolly Buggers.

Check the current NSW guide for the trout season first; no water-specific rule was found here.

Within whatever window the rules allow, and as a guide’s read rather than a record, spring is nymph time: the water is cool and fish sit near the bottom of the runs. Summer usually brings the easiest dry-fly fishing on a stream like this, with terrestrials on warm afternoons and, on many trout streams, caddis toward dark. In late summer, fish early and late, when the light is off the water. Autumn is our pick for browns, which tend to feed harder and chase a swung fly as the water cools.

A 3- to 5-weight rod with a floating line suits a stream this size. Fish upstream so you approach trout from behind, and keep low on open banks.

Our default is a dry-dropper: a buoyant dry with a small beadhead nymph on a short dropper, cast into the head of each run and let drift back past you. Make a few casts, then move on. In deeper pools, try nymphing a heavier fly along the bottom, or swing a streamer across and down in autumn. If you see a fish rising, drop the nymph and fish a single dry on a fine tippet.

The access card names the sites, drawn from NSW DPIRD’s angler access listings. Those describe where people reach the water; they are not a promise of permission across any land beside it, so respect fences and signs and ask where you are unsure.

As on any bush river, wear boots with grip for wet rock, carry water and a layer, tell someone where you are going, and walk back before the light goes.

No water-specific rule was found for the Gungarlin River. Before you fish, check the current NSW Department of Primary Industries and Regional Development freshwater fishing guide for the trout season, bag and size limits, licence requirements and its closed-waters listings.