Massacre Rocks State Park - map and other informations


Massacre Rocks State Park is a stunning natural area located in American Falls, Idaho. This state park is known for its unique geological formations, rich history, and abundant recreational opportunities. It covers an area of approximately 1,000 acres and offers visitors a chance to explore the beauty of the Snake River region.


The name "Massacre Rocks" comes from an incident that occurred in the mid-1800s when emigrants traveling along the Oregon Trail were attacked by Native American tribes in this area. The rocks provided a strategic location for ambushes, resulting in several deaths. Today, the park serves as a reminder of this tragic event and honors the pioneers who lost their lives.

Geological Formations

One of the main attractions of Massacre Rocks State Park is its unique geological formations. The park features towering basalt cliffs that were formed millions of years ago during volcanic activity. These cliffs create a dramatic backdrop against the Snake River and provide excellent opportunities for rock climbing and hiking.

Recreational Activities

Massacre Rocks State Park offers a wide range of recreational activities for visitors to enjoy. Hiking trails wind through the park, allowing hikers to explore its diverse landscapes and take in breathtaking views of the surrounding area. Fishing enthusiasts can try their luck at catching trout or catfish in the Snake River.

The park also has picnic areas with tables and grills, making it a perfect spot for a family outing or gathering with friends. Camping facilities are available for those who wish to spend more time immersed in nature. The campground offers both tent and RV sites with amenities such as showers and restrooms.

Wildlife Viewing

Nature lovers will appreciate the abundance of wildlife that can be spotted at Massacre Rocks State Park. The park is home to a variety of bird species, including bald eagles, hawks, and owls. Visitors may also encounter deer, rabbits, and other small mammals while exploring the trails.

Visitor Center

The visitor center at Massacre Rocks State Park provides valuable information about the park's history, geology, and recreational opportunities. Knowledgeable staff members are available to answer any questions and offer guidance on how to make the most of your visit.

Frequently Asked Questions (FAQ) about Massacre Rocks State Park

Is there an entrance fee for Massacre Rocks State Park?

Yes, there is an entrance fee for Massacre Rocks State Park. The current fee is $5 per vehicle for Idaho residents and $10 per vehicle for out-of-state visitors.

Are pets allowed in the park?

Yes, pets are allowed in Massacre Rocks State Park. However, they must be kept on a leash at all times and owners are responsible for cleaning up after their pets.

Can I go swimming in the Snake River?

Swimming in the Snake River is allowed at designated areas within Massacre Rocks State Park. However, it is important to exercise caution as the river can have strong currents and varying depths.

Average weather in Massacre Rocks State Park

Temp max Temp min Rain Snow
Jan -1 °C -8 °C 10 mm 20 mm
Feb 2 °C -6 °C 13 mm 15 mm
Mar 9 °C -2 °C 28 mm 8 mm
Apr 14 °C 2 °C 28 mm 3 mm
May 19 °C 7 °C 40 mm 0 mm
Jun 26 °C 12 °C 12 mm 0 mm
Jul 32 °C 17 °C 10 mm 0 mm
Aug 30 °C 16 °C 14 mm 0 mm
Sep 24 °C 11 °C 26 mm 0 mm
Oct 15 °C 4 °C 27 mm 1 mm
Nov 7 °C -2 °C 18 mm 8 mm
Dec 0 °C -8 °C 12 mm 22 mm

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