Fact sheet · Rocky Mountain
Great Sand Dunes National Park
Unit code GRSA. Figures retrieved 2026-11-06. Official alerts, fees, and closures are not copied here.
- States on the system list
- Colorado
- Guide region
- Rocky Mountain. Editorial grouping of the state that contains the centroid, or the first listed state when the point is offshore.
- Anniversary-table date
- March 17, 1932
Table note: National Preserve authorized 2000; redesignated from a National Monument 2004
- Gross area acres
- 107,336.95
NPS fee acres: 104,041.32. Report date September 30, 2026. Gross area is not the same column as fee ownership.
- Boundary centroid
- 37.7669, -105.6130
Containing shoreline polygon: Colorado. Not an entrance.
- Recreation-visit record
- Highest monthly mean is in June, July, or August
Highest mean: June. Lowest mean: January. Mean annual total across complete years: 478,564 (10 complete years).
A separate preserve row exists in the same acreage report (GREAT SAND DUNES N PRES). It is not added to the national park figures on this page.
The monthly record
| Month | Mean | Lowest year | Highest year | Years in the mean |
|---|---|---|---|---|
| January | 4,493 | 1,503 | 6,714 | 10 |
| February | 6,252 | 3,485 | 8,459 | 10 |
| March | 19,851 | 6,426 | 27,374 | 10 |
| April | 22,081 | 5,227 | 31,134 | 10 |
| May | 60,795 | 0 | 84,669 | 10 |
| June | 92,427 | 75,009 | 123,564 | 10 |
| July | 91,724 | 73,599 | 116,377 | 10 |
| August | 72,807 | 59,329 | 97,370 | 10 |
| September | 51,695 | 41,565 | 66,495 | 10 |
| October | 37,047 | 29,007 | 53,468 | 10 |
| November | 12,276 | 8,606 | 17,734 | 10 |
| December | 7,116 | 4,047 | 9,635 | 10 |
How to use this fact sheet
This is a fact sheet. Every figure is tied to the sources under it. It is not a trail guide, a fee table, or a conditions report.
Official pages
These links were checked when the site was built. A working link is not a live feed. If a standard address did not respond, it is omitted.
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- Listing on the National Park System page
Nearest other national parks
Distances are great-circle miles between boundary centroids. They are not road distances or travel times.
- Black Canyon of the Gunnison National Park — about 129 straight-line miles between boundary centroids.
- Mesa Verde National Park — about 160 straight-line miles between boundary centroids.
- Rocky Mountain National Park — about 179 straight-line miles between boundary centroids.