National Reserve · Idaho, United States
City of Rocks National Reserve
City of Rocks National Reserve is a national reserve in Idaho, United States, covering 14,512 acres (5,873 ha), established in 1988.

Photo: wilson44691 via Wikimedia Commons, CC0. Cropped and resized for display.
Park facts
| Park type | National Reserve |
|---|---|
| Location | Idaho, United States |
| Area | 14,512 acres (5,873 ha) |
| Established | 1988 |
| Coordinates | 42.0760° N, 113.7020° W |
| Managed by | National Park Service |
Every fact above is taken from the sources listed below; anything no source states is left blank rather than guessed.
About City of Rocks National Reserve
The City of Rocks National Reserve, also known as the Silent City of Rocks, is a United States National Reserve and state park in south-central Idaho, approximately 2 miles (3.2 km) north of the border with Utah. It is widely known for its granite rock formations and rock climbing. The rock spires in the City of Rocks and adjacent Castle Rocks State Park are largely composed of granitic rock of the Oligocene Almo pluton and Archean Green Creek Complex. City of Rocks is also a popular rock climbing area, with over 1,000 traditional and bolt-protected routes.
Description from the park's Wikipedia article (CC BY-SA), linked in the sources below.
Planning your visit
What to do
Where to stay
| Campgrounds | Limited |
|---|
Like City of Rocks National Reserve? Visit City of Rocks National Reserve’s official park page for hours and current conditions before you travel.
Airports near this park
The airports a visitor would actually fly into, nearest first — each link opens its profile on our sister site AirportProfiles.
- Salt Lake City International Airport (SLC) · Salt Lake City, United States · 126.0 miles away
Parks nearby

Castle Rocks State Park
Lake Walcott State Park
Minidoka National Historic Site
Massacre Rocks State Park
Golden Spike National Historical Park

Craters of the Moon National Preserve
More parks in Idaho
Frequently asked questions
Where is City of Rocks National Reserve?
City of Rocks National Reserve is in Idaho, United States (42.0760° N, 113.7020° W).
When was City of Rocks National Reserve established?
City of Rocks National Reserve was established in 1988, per the source listed at the foot of this page.
How big is City of Rocks National Reserve?
City of Rocks National Reserve covers 14,512 acres (5,873 ha).
Does City of Rocks National Reserve have campgrounds?
Yes, but campgrounds at City of Rocks National Reserve are limited.
Sources
- https://en.wikipedia.org/wiki/List_of_the_United_States_National_Park_System_official_units — Wikipedia list of National Park System official units — unit name, state, official designation.
- https://en.wikipedia.org/wiki/List_of_areas_in_the_United_States_National_Park_System — Wikipedia list of National Park System areas — year established and gross area.
- https://en.wikipedia.org/wiki/City_of_Rocks_National_Reserve — Wikipedia article — description (CC BY-SA).
- https://www.nps.gov/ciro/ — Official park page.





