Ashfield Flats is the largest surviving river-flat in metro Perth — mud, saltmarsh, paperbark snags, and residential pontoons visible across the river at Ascot. It's classic upper-Swan bream country: soft-bottom habitat with plenty of structure, light boat pressure, and a walkable foreshore that rewards anglers casting tight to snags.

Walk the bank and work unweighted soft plastics into the snags and overhanging paperbarks — upper-Swan bream hold tight and won't chase. For bait, prawn or mulies on a light running-sinker rig on a making tide. Dawn and late afternoon are prime. Mulloway in warmer months take snelled 6/0s on mulie fished to bait schools after dark.

Black bream (the main target, year-round, best in warmer months when they push onto the flats), flathead (summer, along the sand-to-mud edges), estuary cobbler (year-round, muddy shallows at night), and mulloway (Oct–Mar, opportunistic this far upstream).

Ashfield Parade parking is tight — Sandy Beach Reserve 500m upstream has proper parking, toilets, and BBQs. Trails are muddy in winter. Three urban drains empty into the flats and the reach has had recurrent algal blooms plus a documented 2021 blackwater fish kill — check DBCA advisories before eating fish from here, especially after heavy rain or in summer heat.