
State guide
Arizona's national parks
Arizona has three national parks, and they could hardly be more different: the immense gorge of the Grand Canyon, the towering cactus forests of Saguaro near Tucson, and the colorful fossil-log fields of Petrified Forest along I-40. This guide compares and ranks all three.
Short answer
The Grand Canyon ranks first as one of the world's great natural wonders, followed by Saguaro for its giant cactus forests near Tucson and Petrified Forest for its Painted Desert and ancient fossilized wood. The Grand Canyon's South Rim is open year-round, while the lower desert parks are best from fall through spring.
How Arizona's parks were ranked
- Scenic payoff and how distinctive each park's landscape is.
- Ease of access, lodging, and how forgiving the logistics are.
- Range of activities, from rim viewpoints to desert hikes and drives.
- Season, since the low desert parks are best in the cooler months.
Recommended parks
Each pick links to the full park guide with season tables, logistics, packing, and route context.
The world wonderGrand Canyon
- Best for
- South Rim viewpoints, the Rim Trail, and a partial Bright Angel descent
- Watch
- The inner canyon is far hotter than the rim, shorter winter daylight surprises people, and the remote North Rim closes in winter.
The Grand Canyon is Arizona's headline park and one of the great natural wonders, with classic South Rim viewpoints, the Rim Trail, and the option of a controlled descent partway into the canyon.
Open the Grand Canyon guide
The cactus forestSaguaro
- Best for
- Sunset drives, short hikes, and giant saguaro cacti
- Watch
- Desert sun, cactus terrain, and heat require real water and footwear planning, and summer midday is brutal.
Saguaro flanks Tucson in two districts of towering saguaro cactus forest, with scenic loop drives and short desert hikes that make an easy day trip or overnight.
Open the Saguaro guide
The Painted DesertPetrified Forest
- Best for
- The Painted Desert and fossilized log fields
- Watch
- It is a day-use park with no in-park lodging and gates that close in the evening, so time your arrival and base in Holbrook.
Petrified Forest sits along I-40 in northeastern Arizona, a drive-through-friendly park with the colorful Painted Desert and fields of ancient petrified wood on short trails.
Open the Petrified Forest guidePlanning notes
Group them by region
The Grand Canyon and Petrified Forest both sit in northern Arizona and can link on a northern loop, while Saguaro pairs naturally with a Tucson visit to the south.
Match the park to the season
Saguaro is best from fall through spring when the low desert heat fades, while the higher Grand Canyon rim is comfortable through the warmer months.
Treat the Grand Canyon as the anchor
The Grand Canyon deserves an overnight on the South Rim, while Saguaro and Petrified Forest work well as day trips or shorter stops built around it.
Frequently asked questions
How many national parks are in Arizona?
Arizona has three national parks: the Grand Canyon, Saguaro near Tucson, and Petrified Forest along I-40. The state also has many national monuments, but these three hold the national park designation.
What is the best national park in Arizona?
The Grand Canyon is usually ranked first as one of the world's great natural wonders. Saguaro, with its giant cactus forests, and Petrified Forest, with its Painted Desert and fossilized wood, each offer a very different Arizona experience.
When is the best time to visit Arizona's national parks?
The Grand Canyon's South Rim is open year-round, while Saguaro and Petrified Forest are most comfortable from fall through spring. Summer brings dangerous heat to the low desert parks, so plan those for the cooler months.
Pack and plan this trip
Gear keyed to what these parks are for, the tools to size your days and budget, and explainers worth a read before you go.
What to pack
Plan with our tools
More trip planning paths
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