They were very helpful, they rescheduled my walk and picked me up at the hotel. Jeff the guide was very friendly and very knowledgeable about the plants, animals and especially the geography of the area. The walk only had a few real climbs, but luckily he stopped to point out things along the way so catching my breath was made easy. Did the walk the day before I did the bus trip in the park, so I felt I was ahead of the game. Overall, I'm glad I did it.