Old Lake CottageRainbow Trout fishing near Mattawa, ON
1,571 documented waters within 300 km, 109 of them with rainbow trout as the primary species.
Where they are biting today
- Partridge Lake (Iroquois Falls)80
- Gay Lake (Gogama)80
- Devils Punch Bowl Lake (Iroquois Falls)80
- Little Gillies Lake (Temagami)80
- Sandplain Lake (Gogama)80
- Bullfrog Lake (Iroquois Falls)79
- Beulah Lake (Gogama)79
- Camp Ten Lake (Espanola)79
- Jackson Lake (Sudbury)79
- Beckett Lake (Gogama)79
Fishing rainbow trout around Mattawa
Anglers based in Mattawa have 1571 documented waters holding rainbow trout within a reasonable drive, which makes picking today's water the real decision. That choice is exactly what the daily scores are for: every water on this page is re-scored each morning, so the order reflects current conditions, not last season's stories.
Start with Partridge Lake (Iroquois Falls), today's top scorer at 80 (about 317 km from Mattawa, roughly 18 m of water at its deepest). If it is busy or the wind is wrong, Gay Lake (Gogama) scores 80 (about 234 km from Mattawa, roughly 19 m of water at its deepest). Devils Punch Bowl Lake (Iroquois Falls) at 80 is the third card worth keeping in hand. All of these numbers come from the same daily model, so they are directly comparable water to water.
Rainbow trout feed heavily on aquatic insects, making fly fishing an especially effective and popular approach - matching whatever's actively hatching (the real logic behind 'matching the hatch') often outproduces guessing at random patterns. Rainbows are widely distributed in the Great Lakes and their tributaries plus some inland lakes; in spring they gather in warmer nearshore water off river and harbour mouths and along sandy or gravelly windward shorelines. In tributaries, drifting roe bags, egg patterns or beads under a float is the dominant approach, downsized with light leaders in clear water; on the big lakes, trolling spoons and minnow-imitating plugs takes fish.
Treat this page as a living shortlist: the ranking refreshes daily (currently showing September 15, 2026), and a shift in wind, cloud cover or water temperature is often enough to reorder it.