New to perth! Looking for Trails

Alright guys! just got my bighit sent down from ireland and i'm looking for some dh trails! made it too dwellingup at the weekend and was quite impressed! just wondering what else is around the place. i've seen there's some races coming up aswell just wondering do i need to get a licence and stuff!!!!
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Newb

Usually you can sign up on the day at most events to a club they tell ya the speil for a yearly membership/fee or day license for one of racing and if you follow the racing from now to the end oof the season you'll get in pretty much whats out there to ride minus one or two spots. If you like dwelly you will like welly mills, nannup, similar sort of dirt rock and pines.
Cheers Housey
Peel District Mountain Bike Club
www.pdmbc.com/
www.malagacycles.com.au/
www.mandurahsbikeman.com.au