Saint-Charles is a small town located in southeastern Idaho, nestled in the picturesque Bear Lake Valley. The climate in Saint-Charles is characterized by cold winters and mild summers. Winters bring heavy snowfall, making it an ideal destination for winter sports enthusiasts. Summers are pleasant, with temperatures ranging from the 70s to low 80s Fahrenheit. The area is known for its stunning natural beauty, with the shimmering Bear Lake, often called the "Caribbean of the Rockies," just a stone's throw away.

Hydrologically, Saint-Charles benefits from the Bear River, which flows through the valley. The river provides a variety of recreational opportunities, including fishing, boating, and kayaking. The crystal-clear waters of Bear Lake are perfect for swimming, paddleboarding, and jet skiing. The lake is also renowned for its excellent fishing, with abundant populations of trout, whitefish, and kokanee salmon.

Outdoor enthusiasts will find plenty to do in Saint-Charles. The surrounding mountains offer numerous trails for hiking, mountain biking, and ATV riding. In winter, the area transforms into a winter wonderland, catering to snowmobiling, cross-country skiing, and snowshoeing. With its delightful climate, stunning natural landscapes, and diverse outdoor recreation opportunities, Saint-Charles is a hidden gem for those seeking adventure and relaxation in southeastern Idaho.