Private Quad Bike Tour. A 2-hour private quad bike tour through the seven suspended valleys around Benagil. Every operator on the Circle is booked direct. No commission, no middleman, no booking fee stacked on top: you deal directly with the people who run it. Reserva direta com quem opera, sem comissões e sem intermediários. #algarve #algarvecircle #portugal #thingstodoalgarve #buggyquadtours