The Animas River is a stunning and diverse waterway that flows through the heart of southwestern Colorado, offering paddlers an incredible range of experiences from placid floats to heart-pounding whitewater. Beginning high in the San Juan Mountains near Silverton, the river winds its way south for 126 miles through rugged canyons and scenic valleys before joining the San Juan River in New Mexico.

The Upper Animas, stretching from Silverton to Tacoma, is renowned as one of the most challenging and spectacular whitewater runs in the United States. This 24-mile section features near-continuous Class IV-V rapids thundering through the remote Weminuche Wilderness. The infamous "Ten Mile" rapid stands out as a formidable Class V challenge that demands respect and careful scouting. Due to its difficulty and remoteness, the Upper Animas is suitable only for expert paddlers and is often run as a multi-day trip with the assistance of professional guides.

As the river approaches Durango, it transitions into the more accessible Lower Animas. This section offers a mix of Class II-III rapids interspersed with calmer stretches, making it ideal for intermediate paddlers and families. The Santa Rita Whitewater Park in Durango provides a playground for kayakers and stand-up paddleboarders, with engineered features that create exciting waves and holes.

The Animas is a free-flowing river, with its character changing dramatically throughout the season. Spring runoff, typically peaking in late May to early June, brings high water and more challenging conditions. Late summer and fall see lower water levels, creating a more technical paddling experience as rocks and obstacles become exposed. The river is generally runnable from April through October, with July and August being popular months for recreational paddling and tubing in the Durango area.

The river corridor is rich in both natural beauty and human history. Paddlers may spot wildlife such as deer, elk, and various bird species along the banks. The Upper Animas passes by several ghost towns and abandoned mines, remnants of the area's rich mining heritage. The Durango & Silverton Narrow Gauge Railroad, which parallels much of the Upper Animas, offers a unique way to access remote put-ins and provides scenic views of the river canyon.

Key access points include Silverton, Tacoma, and various locations in and around Durango. The town of Durango serves as the primary hub for river activities, offering numerous outfitters, gear shops, and amenities for paddlers.

Safety is paramount on the Animas, particularly on the more challenging upper sections. All paddlers should be aware of their skill level, wear appropriate safety gear, and be prepared for cold water even in summer months. It's highly recommended to use a guide service for the Upper Animas unless you have extensive experience with Class V whitewater.

For those seeking a multi-day adventure, the Upper Animas offers several options. A popular two-day trip runs from Silverton to Tacoma, with a night spent camping along the river in the Weminuche Wilderness. This trip combines thrilling whitewater with the tranquility of a backcountry experience, showcasing the best of what the Animas has to offer.

Whether you're an adrenaline junkie looking to test your skills on world-class rapids or a family seeking a scenic float through beautiful mountain scenery, the Animas River provides an unforgettable paddling experience in the heart of Colorado's San Juan Mountains.