Front Range/Estes and Rocky Mountain National Park Tour Departing from Longmont this 30 minute flight is perfect for those who would like to sightsee the Front Range from the air. During this half hour flight you will get to experience Carter Lake, the Big Thompson River canyon, Estes Park and views of Rocky Mountain National Park. Use promo code "VLC10" to get 10% off when you book online at FlyRugged.com