Kings Canyon, a canyon in the Sierra Nevada Mountains ecoregion in California, is known for its deep canyons, towering mountains and waterfalls, also offers a dramatic landscape with steep cliffs and a river valley which showcases the power of glacial carving. The canyon and its surrounding areas is also home to giant sequoia groves. The canyon is primarily found within the Kings Canyon national park, which is managed jointly with Sequoia National Park by the national park services. Sequoia National Park primarily contains the large sequoia groves.

Kings Canyon is the deepest canyon in the United States, with some area reaching depths of over a mile and a half, or 8,200 feet (2,500 meters), measured from the top of the surrounding mountains to the floor of the canyon at the Kings River. It rivals the Grand Canyon in depth, and some consider it a rival to Yosemite Valley.

Kings Canyon was carved by glaciers, leaving behind dramatic cliffs and a U-shaped valley. Kings Canyon, often compared to Yosemite, but with fewer crowds, making this canyon a more secluded experience for anyone desiring an experience of deep wilderness with impressive scenery.

The General Grant Tree is a significant landmark within Grant Grove and the park itself. It is historically recognized as the second-largest tree in the world. These groves are a major draw for visitors who come to marvel at the size and age of these magnificent trees.

Cedar Grove, located on the canyon floor, offers riverside trails, views of the canyon walls, and access to the wilderness. Zumwalt Meadow is a highlight within Cedar Grove, known for its beauty and scenic views.

Redwood Mountain Grove, while not in Kings Canyon NP, is found within the Sequoia National Forest, not the national park, but it is the largest of all of the giant sequoia groves.

Kings Canyon, together with Sequoia and surrounding National Forest wilderness areas, creates one of the largest roadless areas outside of Alaska.

The park offers extensive backcountry areas, making it a popular destination for hikers and backpackers seeking to explore the High Sierra.

Kings Canyon National Park is in the southern Sierra Nevada Mountains of California adjacent to the Sequoia National Park. It was original established in 1890 as General Grant National Park but subsequently enlarged greatly and then renamed as King Canyon national park. However, the park continues to be known for its huge sequoia trees, notably the gigantic General Grant Tree in Grant Grove.

The name sake of the park is a rugged glacier carved valley more than a mile deep King Canyon. Other natural feature include multiple 14,000 foot peaks, high mountain meadows, swift flowing rivers and some of the largest stands of giant sequoia trees. To the east, Cedar Grove is surrounded by towering granite canyon walls. From here, trails lead to Zumwalt Meadow along the Kings River, and to Roaring River Falls.

The combined Pacific Crest Trail/John Muir Trail, a popular backpacking route, traverses the entire length of the park from north to south a backcountry area which is home to rattlesnakes, bears and cougars.