ALL roads to the south and west of Gympie are now cut including the Bruce Highway and Mary Valley Road.
Police are urging motorists to avoid Gympie as the district braces to be further isolated due to rising flood waters.
Access to the north has been available through Old Maryborough Road, however, it is believed this may become unpassable over the next 12 hours.
Tin Can bay Road to the north-east is currently cut at Coondoo Creek while other roads to the north are closed at a variety of locations.
The current water level of the Mary River sitting just under 16 metres.
The water level is expected to peak at 19 metres late today.