Eldora is just 21 miles from Boulder and 45 miles from Denver. Avoid the stress of I-70's notorious congestion. Eldora is a locals-friendly mountain, relaxed and unpretentious. One of Colorado's best kept secrets for families. There's something for everyone - steeps, bumps, glades, terrain park, groomed corduroy for cruising. A Children's Center where learning to ski or snowboard is fun. 40km of x-country and snowshoe trails. Free close-in parking and RTD bus service that drops you 50ft from the lift.