It's understood traditional owner frustration with "people doing the wrong thing" has been behind the lockouts. Long-term Bamaga resident and Cape York guide book author Tracy Sands said she had been in contact with Hope Vale, Mapoon and Northern Peninsula authorities. "It comes back to a lack of respect and people doing stupid things," she said. "I went up (to the Tip) last year and there was idiots fishing in the nude and the (travellers sticking) plaques at the top of the cliffs. "People up here are the most amazing people but they can only take so much before they close things down."