1. Rocky Mountain National Park, Colorado, USA:Rocky Mountain National Park offers some of the most breathtaking landscapes for cross-country skiing. With over 140 kilometers of groomed trails, beginners and advanced skiers can enjoy the diverse terrain, from rolling meadows to challenging mountain slopes. The park also provides stunning views of snow-capped peaks, frozen lakes, and wildlife such as elk and bighorn sheep.2. Jotunheimen National Park, Norway:Located in the heart of Norway, Jotunheimen National Park is a paradise for cross-country skiers. The park boasts more than 300 kilometers of well-marked trails that weave through snow-covered mountains, frozen lakes, and ancient forests. Skiers can explore different routes that vary in difficulty, from leisurely strolls to demanding ascents. The park is also home to Norway's highest peak, Galdhøpiggen, which offers an unforgettable skiing experience.3. Ruka-Kuusamo, Finland:Finland, known as the land of a thousand lakes, is a great destination for cross-country skiing. Ruka-Kuusamo is a popular resort in Finnish Lapland, characterized by stunning landscapes and excellent skiing conditions. With over 500 kilometers of trails, skiers can glide through beautiful taiga forests, over frozen lakes, and enjoy the peaceful atmosphere of the Finnish wilderness. The network of trails is well-maintained and suitable for all skill levels.4. Engadin Valley, Switzerland:The Engadin Valley in Switzerland offers world-class cross-country skiing opportunities. With over 230 kilometers of perfectly groomed trails, skiers can explore picturesque villages, snow-covered forests, and frozen lakes. The valley is renowned for its annual Engadin Ski Marathon, attracting both professional athletes and amateurs. The region also guarantees excellent snow conditions throughout the winter season.5. Abisko National Park, Sweden:Abisko National Park, located in northern Sweden, is renowned for its stunning landscapes and perfect conditions for cross-country skiing. With over 100 kilometers of well-groomed trails, skiers can enjoy the beauty of Arctic tundra, frozen waterfalls, and the chance to witness the magical Northern Lights. Abisko offers both gentle trails suitable for beginners and challenging routes for experienced skiers.6. Yellowstone National Park, Wyoming, USA:Yellowstone National Park is not only famous for its geysers and wildlife, but also for its remarkable cross-country skiing opportunities. The park offers over 50 kilometers of groomed trails, allowing skiers to explore its winter wonderland. Visitors can glide past steaming geothermal features and witness the incredible wildlife, including bison, wolves, and bald eagles, all while enjoying the peace and serenity of America's first national park.Overall, the best locations for cross-country skiing combine stunning natural landscapes, well-groomed trails, and ideal snow conditions. These destinations offer diverse terrain for all skill levels, providing skiers with the chance to immerse themselves in the beauty of snowy environments while enjoying a fantastic workout.Keep in mind that travel guidelines and travel rules may change anytime, so regularly check for updates to ensure a hassle-free and memorable travel experience.