Dwellingup WA Area

I want to do a one day trip from Perth to the Dwellingup Lane Poole area and want to include some fairly easy 4 wheel driving. Not so much for me but for another car going with me. Haven't been 4 wheel driving down there for a long time but know that some of the tracks have been closed because of erosion/die back and mining etc. Can someone point me in the right direction to get some up to date information in this regard.

Thanks

Terry