A motorcyclist has been seriously injured at Worrigee after crashing into a tree.
The rider, believed aged 29, was travelling at about 70kmh when he slammed into a tree off Isa Road, about 3.20pm Friday.
NSW Ambulance paramedics are now treating the man.
The Mercury understands the accident happened as the man was riding a trail bike.
Initial reports indicate he remained conscious thoughout, and has reported loss of sensation to his limbs. He has also suffered a fractured arm.
A rescue chopper is expected to land near Worriigee Equestrian Common about 4.30pm.
The accident follows motorcycle crashes at Oak Flats and Jamberoo, shortly after 1pm and at 1.50pm, respectively.
All three have required retrieval by emergency chopper.