Alpen Rose RV Park. Your Southwest Colorado Base Camp. At Alpen Rose RV Park, you can enjoy the quiet of the Animas River Valley, along with fabulous mountain views, yet be close to Durango’s many attractions. Nestled beneath stunning, red rock cliffs, our full service RV Park makes the perfect base camp for all of your Southwest Colorado adventures. Alpen Rose RV Park – Open Year Round! Alpen Rose RV Park is open year-round. Our Winter Season will extends from November through March. During the Winter Season we provide reduced Daily and Weekly rates and offer a Monthly Rate as well. Durango, Colorado has great weather throughout the year for your stay with us.