Highline Lake State Park near Loma is a desert oasis in western Colorado, close to the Utah border. A blue lake set against red-brown desert hills creates a striking contrast and a welcome place to cool off in dry country. The park is well known for waterfowl viewing, especially during migration seasons, and it is a stop for many kinds of birds. Nearby Mack Ridge offers popular mountain-bike trails, and the lake supports swimming, boating and fishing. A campground makes it easy to stay overnight. A daily parks pass costs $10 per vehicle, and camping runs $18 to $36 per night. Spring and fall are the most comfortable seasons for hiking and biking.