The Most Dog-Friendly Restaurant in Colorado May Surprise YouWe all know that Colorado has a ton of dog-friendly restaurants. The Food Network has released a list showcasing the most dog-friendly restaurants in all 50 states. They decided that Aspen’s The Little Nell is the most dog-friendly in the state of Colorado. READ MORE: Colorado's Favorite Dog Breed for 2025Why Aspen's The Little Nell Stands OutThey highlighted the fact that The Little Nell is one of the most fancy hotels in the country. Before we go on, it is important to tell you that The Little Nell is a restaurant inside the hotel.