 Bogside Flats SSSI covers 253.8ha that include inter-tidal mudflats, salt-marsh and adjacent pasture land.The Pundeavon Burn drains from Pundeavon Reservoir and enters the Garnock just upstream of Kilbirnie Cross.The Paduff Burn is a small stream, known locally as Jock's Burn, which comes into play on the golf course at Kilbirnie Place Golf Club.