Castle Rocks State Park - map and other informations


Castle Rocks State Park is a stunning natural area located in southern Idaho, just outside the town of Almo. This state park covers over 1,692 acres and offers visitors a wide range of outdoor activities and breathtaking scenery to explore.


Castle Rocks State Park was established in 2003 as part of an effort to preserve the unique geological formations and diverse plant and animal life found in the area. The park is managed by the Idaho Department of Parks and Recreation and has quickly become a popular destination for outdoor enthusiasts.


There are plenty of activities to enjoy at Castle Rocks State Park. Hiking is one of the most popular activities, with several well-maintained trails that wind through the park's rugged landscape. These trails offer stunning views of towering granite spires, deep canyons, and lush meadows.

Climbing is another popular activity at Castle Rocks State Park. The park boasts over 500 climbing routes suitable for climbers of all skill levels. Whether you're a beginner or an experienced climber, you'll find plenty of challenging routes to conquer.

In addition to hiking and climbing, visitors can also enjoy mountain biking, horseback riding, picnicking, wildlife viewing, and camping. The park has several designated picnic areas with tables and grills, as well as a campground with both tent and RV sites.

Natural Features

The main attraction at Castle Rocks State Park is its unique geological formations. The park is home to numerous granite spires that rise dramatically from the surrounding landscape. These spires were formed millions of years ago through volcanic activity and erosion.

The park also features deep canyons carved by ancient rivers, as well as lush meadows filled with wildflowers during the spring and summer months. The diverse plant life found in the park includes sagebrush, aspen trees, and various wildflowers.

Wildlife is abundant in Castle Rocks State Park, with sightings of mule deer, elk, coyotes, and a variety of bird species. The park is also home to several rare plant species that are unique to the area.

Visitor Information

Castle Rocks State Park is open year-round, although some facilities may be closed during the winter months. The park has a visitor center where you can obtain maps and information about the trails and activities available.

There is an entrance fee to enter the park, which helps support its maintenance and preservation efforts. Camping fees are separate and vary depending on the type of site you choose.

The park has restroom facilities located throughout the campground and picnic areas. However, there are no showers or laundry facilities available on-site.

Frequently Asked Questions (FAQ) about Castle Rocks State Park

Can I bring my dog to Castle Rocks State Park?

Yes, dogs are allowed at Castle Rocks State Park but must be kept on a leash at all times. Owners are responsible for cleaning up after their pets.

Are there any guided tours available at Castle Rocks State Park?

No, there are no guided tours available at Castle Rocks State Park. However, the park does offer interpretive signs along some of the trails to provide information about the area's geology and wildlife.

Is fishing allowed in Castle Rocks State Park?

No, fishing is not allowed in Castle Rocks State Park. The park is primarily focused on preserving its natural features and providing recreational opportunities such as hiking and climbing.

Average weather in Castle Rocks State Park

Temp max Temp min Rain Snow
Jan -3 °C -10 °C 3 mm 30 mm
Feb -1 °C -9 °C 5 mm 23 mm
Mar 5 °C -4 °C 12 mm 20 mm
Apr 10 °C -1 °C 29 mm 12 mm
May 16 °C 4 °C 62 mm 6 mm
Jun 23 °C 10 °C 23 mm 0 mm
Jul 29 °C 16 °C 24 mm 0 mm
Aug 27 °C 15 °C 29 mm 0 mm
Sep 22 °C 10 °C 32 mm 1 mm
Oct 13 °C 3 °C 25 mm 4 mm
Nov 5 °C -4 °C 12 mm 18 mm
Dec -3 °C -10 °C 4 mm 32 mm

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