
(credit: CBS)
In the past seven years, visits have increased 42 percent.
Last year, the park was the third most visited national park in the country with more than 4.5 million visitors.

(credit: CBS)
Officials say the popularity means expect congested road and trails. They urge visitors to plan ahead, hike early or late in the day.

(credit: CBS)
They also encourage you to use the park shuttle.