Also known as Rainbow, Bow. Bait, technique, tide windows, and where the bite is on right now.
Hero spots in our coverage where Rainbow Trout is in season for May. Click through for the live forecast.
Out of season across our covered spots in May.
AU-specific: early-morning polaroiding the western shore of TAS lakes (Arthurs, Penstock, Bronte Lagoon) when sun lights up the shoreline. Lead-core trolling Lake Eucumbene and Jindabyne 30–50 feet down through summer as fish push onto the thermocline. Fly fish dries during a beetle fall or galaxid hatch on Tasmanian highland lakes. Rivers: spinning Tassie Devils and Cobras through pool tail-outs, or upstream nymphing on the Snowy / Thredbo / Eucumbene Rivers.
Trout ignore tides — water level and temperature drive everything. Bite turns on after a cold front drops surface temps below 18°C. In dams (Eucumbene, Jindabyne, Tantangara) look for the thermocline at 8–12 m through summer; fish hold there midday. River trout key off pulse releases from Snowy Hydro — start fishing as the level begins to lift, hottest bite is the first 90 minutes of the rise.
Lake rainbows: the evening tinker-rise feed (lake surface glassing off at last light, midge / beetle hatch coming off) trumps moon phase every time. Tasmania's big brown trout are more moon-influenced than rainbows — rainbows respond more to weather fronts and water temperature than to the lunar calendar.
Stocking + closed season varies by state. NSW DPI Fisheries: closed season for trout in Snowy / Eucumbene / Thredbo rivers from October long weekend Monday to June long weekend Saturday; trout endorsement on top of the NSW Recreational Fishing Fee required for designated trout waters. VIC: open year-round in lakes, river closure 2nd Mon June – Sat before Melbourne Cup. TAS: variable by region — Inland Fisheries Service Brown Trout / Rainbow Trout season rules per fishery (e.g. central plateau lakes August – April). ACT: separate ACT recreational licence required. Bag limits: 5 NSW, 5 VIC, 12 TAS most lakes (varies on wild fisheries).
From our training corpus of ~1.1M angler-logged catches across 14 regions. Last refreshed 2026-05-14.
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