A school leaver has been left with potential spinal injuries following the fall.
Authorities said the man was with friends on rocks when he fell and landed at the base.
Police, SJA and rescue helicopter officers secured the man to a stretched and he was airlifted to Bunbury Hospital.
More to come.
Women injured in serious North Dandalup crash
Daughter of man allegedly stabbed to death in East Rockingham pays tribute to father
Peel Thunder claim fourth WAFL premiership
Man dies after suspected stabbing in East Rockingham
City of Rockingham cracks down on illegal dumpers
Missing Mandurah girl found safe and well
Police hunt for man who threatened staff with knife during Falcon armed robbery
Authorities descend on Memorial Drive homeless camp, move on notices issued
Locals asked to have their say on new concept designs for Lakelands Youth Park