Yellowstone and Grand Teton National Parks are amazing natural treasures located in northwest Wyoming. The area is known for amazing vistas, beautiful mountains and surreal thermal features. If you are planning a trip to the area, this application is for you. It provides easy-to-use day hike information for nearly 100 hikes in the two parks. It includes classic hikes around Jenny Lake in Grand Teton National Park and geyser and thermal pool hikes around Old Faithful in Yellowstone National Park just to name a few. The hiking and vertical profile maps can be panned and zoomed to make them easy to use. Features for each hike: -trailhead information -hiking distance -elevation change -trail difficulty -trail rating -trail description -trail map -vertical profile (strenuous hikes) The app also includes climate and weather information, so you can plan your adventure for the right time of year. All this information is contained within the app, so no need for internet access (except for radar data, weather forecasts, and one map, the “Trailhead Locations” map). Even if you aren't heading to Yellowstone or the Grand Tetons in the next few days, using this app allows you to envision the day when you get a chance to see the incredible parks.