Sorry, but there is an error in the prompt. Hells Canyon Wilderness is actually located in the states of Oregon and Idaho, not Arizona. Here is a summary about Hells Canyon Wilderness:

Hells Canyon Wilderness is a remote and rugged area located in the Snake River Canyon between Oregon and Idaho. It is the deepest river gorge in North America, with the Snake River plunging 7,900 feet from its highest point to its lowest point. There are many good reasons to visit this wilderness, including its stunning scenery, abundant wildlife, and opportunities for outdoor recreation such as hiking, fishing, and rafting.

Some specific points of interest to see in Hells Canyon Wilderness include the Devil's Kettle, a mysterious waterfall that disappears into a hole; the Seven Devils Mountains, a range of peaks that offer panoramic views of the canyon; and the Hells Canyon Dam, which provides hydroelectric power and forms the deepest point in the canyon. Visitors can also enjoy exploring the wilderness on foot, horseback, or by boat.

Interesting facts about the Hells Canyon Wilderness include that it is home to a variety of wildlife such as black bears, bighorn sheep, and golden eagles. It is also an important area for Native American history and culture, with several tribes having lived in the area for thousands of years. The wilderness is managed by the U.S. Forest Service and is designated as a protected wilderness area.

The best time of year to visit Hells Canyon Wilderness depends on the activities you want to do. Summer is the most popular time for hiking, rafting, and fishing, but it can be hot and crowded. Spring and fall offer cooler temperatures and fewer crowds, but some trails and campsites may be closed. Winter can be harsh and unpredictable, but it offers a unique opportunity for winter sports such as snowshoeing and cross-country skiing.