South Valley Road offers a captivating journey through the picturesque landscape of Red Rock Lakes National Wildlife Refuge. This scenic route connects Monida, Montana, with Red Rock Pass near Henry's Lake, Idaho. Enjoy the fantastic views of the Centennial Valley and Mountains. The river marsh meanders through the valley, uniting the Lower and Upper Red Rock Lakes. Along the way, you'll encounter the weathered remains of old cabins, a testament to the passage of time as nature gracefully reclaims the land. For those looking to spend time here, there are three campgrounds, various hiking trails, and fishing accesses with boat ramps.