But the interior of the mountain range and the most beautiful parts of the parks are not accessible to  the best way to experience them is to take a guided walk.
There are other beautiful areas that don't need a guided walk.
mnli hypothesis: There are other beautiful areas that don't need a guided walk. premise: But the interior of the mountain range and the most beautiful parts of the parks are not accessible to  the best way to experience them is to take a guided walk.