7am - Depart Hotel/Residence in Naivasha for hells gate national park Arrive at the gate of hells gate at around 7;30am. Start of the biking tour at hells gate for 2 hours Visit the gorges inside the park. Gorges are small thin depressions of land mass where you can walk underneath. Some areas have formed caves where you can walk through. This will take 1 hour. Finish the tours and bring the bikes back at the gate.