For this quest you must speak to the griffon tamer at any of the griffon towers in Butchrblock. He will tell you to visit all three of the towers, which are located around the zone.
Butcherblock Dock Griffon Tower: 340, 190, 480
Lesser Faydark Griffon Tower: -615, 100, 333
Greater Faydark Griffon Tower: Eq2l_oc
Once you have done this you will be able to use the griffons to travel around the zone faster.