Castle Rocks, Idaho
Castle Rocks: Situated in the rugged topography of Elmore County in southwestern Idaho, this summit rises to an elevation of 5,171 feet north of the Snake River Plain.
About
Castle Rocks is a city located in the county of Elmore in the U.S. state of Idaho.
Quick Facts about Castle Rocks
| State | Idaho (United States) |
| County | Elmore County |
| Latitude & Longitude | 43.3282,-115.3145 |
| Time Zone | America/Boise |
| Local time | 18:45:49 (6th November 2026) |
| Weather | 28℉ Clear 7-days weather |
Geography
Castle Rocks is located at 43°19'42"N 115°18'52"W (43.3282300, -115.3145200).
Castle Rocks map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Weather
28°F
Clear
3 to 7 mph W
Tonight
Clear, with a low around 28. West wind 3 to 7 mph.
7-Day ForecastNearby Transit Stations (3)
Rail and bus stations connected to Castle Rocks, ID. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| BOI | Boise, Idaho | 1212 West Bannock St. | BUS |
| NAM | Nampa, Idaho | 3116 Garrity Blvd | BUS |
| TFI | Twin Falls, Idaho | 1135 Blue Lakes Circle | BUS |
Closest post offices linked to Castle Rocks.
| Post Office Name | City | ZIP |
|---|---|---|
| Mountain Hom Post Office | Mountain Home (ID) | 83647 |
Other cities in Elmore County
Cities, towns, neighborhoods & other populated places in Elmore County , ID.
| City Name | Population | Title |
|---|---|---|
| Mountain Home | 14,562 | City in Elmore, Idaho, United States |
| Glenns Ferry | 1,303 | City in Elmore County, Idaho, United States |