Based on the context and the answer, generate a question. 

Context: After packing up we headed east of town about 30 kilometres to Nitmiluk Katherine Gorge National Park . We asked a ranger at the visitor centre what path she would suggest if you could only take one . She suggested Butterfly gorge .

Answer:

It is her personal favorite attraction , and she enjoys sharing it with other people



Why did the park ranger recommend visiting Butterfly Gorge ?