Park Comparison
Great Sand Dunes & Preserve vs Hawaiʻi Volcanoes
Two iconic parks, different strengths. Here's how they stack up.
Updated
The Quick Take
Great Sand Dunes & Preserve
North America's tallest sand dunes rise 750 feet against the Sangre de Cristo Mountains, with alpine lakes and tundra at 13,000 feet above.
Hawaiʻi Volcanoes
Two active volcanoes shape terrain from tide pools to alpine desert. Walk across recent lava flows and through rainforests on ancient rock.
At a Glance
The Crowd Picture
Great Sand Dunes & Preserve sees less than half the visitors Hawaiʻi Volcanoes gets, which translates to a noticeably different crowd experience on trails and at viewpoints.
Great Sand Dunes & Preserve
Great Sand Dunes & Preserve welcomes 438K visitors annually across 233 square miles — about 1,878 visitors per square mile. Congestion is moderate, peaking in July. A long comfortable season helps spread crowds across 7 months.
Hawaiʻi Volcanoes
Hawaiʻi Volcanoes welcomes 1.4M visitors annually across 520.5 square miles — about 2,754 visitors per square mile. Congestion is high, peaking in December. A long comfortable season helps spread crowds across 12 months.
Great Sand Dunes & Preserve edges out Hawaiʻi Volcanoes on elbow room, though both can get busy in peak season.
When to Go
Click any month to see how conditions compare side-by-side.
Trails & Activities
Hawaiʻi Volcanoes National Park has more trail mileage for exploration.
Great Sand Dunes & Preserve Top Activities
- photography 9/10
- stargazing 9/10
- hiking 8/10
- backpacking 8/10
- horseback riding 7/10
Hawaiʻi Volcanoes Top Activities
- photography 10/10
- hiking 9/10
- scenic driving 9/10
- ranger programs 8/10
- backpacking 7/10
Camping
Great Sand Dunes National Park & Preserve offers significantly more camping options.
The Bottom Line
Choose Great Sand Dunes & Preserve if you...
- Want to experience Star Dune
- Are looking for world-class stargazing
- Want more camping options (139 sites vs 25)
Choose Hawaiʻi Volcanoes if you...
- Want to experience Kīlauea Caldera
- Are looking for world-class scenic driving
- Want more trail options (232 miles vs 35)
Frequently Asked Questions
Which is better, Great Sand Dunes & Preserve or Hawaiʻi Volcanoes?
It depends on what you're looking for. Great Sand Dunes & Preserve is known for Star Dune, while Hawaiʻi Volcanoes is known for Kīlauea Caldera. Great Sand Dunes & Preserve is less crowded, making it the better pick if solitude matters to you.
Is Great Sand Dunes & Preserve or Hawaiʻi Volcanoes more crowded?
Great Sand Dunes & Preserve has a congestion index of 4.7/10 and receives 438K visitors per year. Hawaiʻi Volcanoes scores 5.7/10 with 1.4M annual visitors. Great Sand Dunes & Preserve is the quieter option.
When is the best time to visit Great Sand Dunes & Preserve vs Hawaiʻi Volcanoes?
The best month to visit Great Sand Dunes & Preserve is September, while Hawaiʻi Volcanoes is best visited in April. The different peak seasons mean you could visit one in spring and the other in fall.
Which has better hiking, Great Sand Dunes & Preserve or Hawaiʻi Volcanoes?
Great Sand Dunes & Preserve has 35 trail miles and Hawaiʻi Volcanoes has 232. Hawaiʻi Volcanoes offers significantly more trail variety.