The Trans-Zion Trek (sometimes also called the "Zion Traverse") is a 48-mile route across Zion National Park in Southwestern Utah. It runs from Lee Pass in the Kolob Canyons section of the park, to the East Entrance Trailhead, though stunning and diverse high desert landscape. The route is typically done as a 5-day backpacking trip.

Angels Landing is a short route to a spectacular view point in the heart of Zion National Park in southwestern Utah. It is about 5 miles round trip, with 1500 feet of elevation gain.

www.zionnational-park.com says this about Angels Landing:

Paria Canyon and its tributary, Buckskin Gulch, are two popular and amazing routes the Paria Canyon - Vermillion Cliffs Wilderness. The 38-mile Paria Canyon route is normally done as a 3-5 day backpacking trip. It begins at the Whitehouse Trailhead off US Highway 89 between Kanab, UT, and Page, AZ, and ends at Lee's Ferry, AZ. Buckskin Gulch has been called the longest slot canyon in the world -- it is 15+ miles of pure slot!