Summer is peak season in Yellowstone, and for good reason. Long daylight hours, open roads, and warm (if unpredictable) weather make July and August the easiest months to see the park’s geysers, wildlife, and backcountry up close.With so much ground to cover, it helps to know which activities are worth your time. Here’s a rundown of the best outdoor summer activities in Yellowstone, straight from the gateway town closest to it all.Hike the Trails — From Boardwalks to BackcountryYellowstone has roughly 1,000 miles of backcountry trails plus 15+ miles of boardwalk, so there’s a hike for every skill level.Easy: Fountain Paint Pot Trail and the Upper Geyser Basin boardwalks near Old FaithfulModerate: Fairy Falls Trail, with a view of Grand Prismatic Spring from aboveStrenuous: Slough Creek and other backcountry routes for experienced hikersStart early. Trailhead parking fills up fast in summer, and mornings bring cooler temperatures and more active wildlife. Bear spray is strongly recommended on any trail beyond the boardwalks.Get on the WaterSummer is the only real window for boating in Yellowstone. Options include:Ranger-led scenic cruises on Yellowstone LakeRental motorboats, kayaks, and canoes on Yellowstone Lake or Lewis LakeFly fishing on the Madison, Firehole, and Gibbon Rivers, all within easy reach of West YellowstoneCheck current Yellowstone road and park conditions before you go, since lake and river access can shift with weather and snowmelt timing.Watch for WildlifeYellowstone has one of the largest concentrations of wildlife in the Lower 48, and summer mornings and evenings are the best times to spot it.Bison, elk, and pronghorn are common along the Madison River corridorBears and wolves are more visible in the Lamar Valley, especially at dawn and duskThe Grizzly & Wolf Discovery Center in West Yellowstone is a reliable, safe way to see both up closeAlways view wildlife from a safe distance — 100 yards for bears and wolves, 25 yards for everything else — and never approach for a photo.See the Geothermal FeaturesYellowstone sits on top of one of the world’s largest active volcanoes, and its geyser basins are still the park’s biggest summer draw.Upper Geyser Basin — home to Old Faithful and the highest concentration of geysers on EarthMidway Geyser Basin — the Grand Prismatic Spring, best photographed from the overlook trailFirehole Lake Drive — a one-way loop where you can see geysers without leaving your carOne note for summer 2026: Biscuit Basin remains closed following hydrothermal explosions in 2024 and again in June 2026. It’s a popular stop, so if it’s on an older itinerary or map, plan to swap it for Midway or Upper Geyser Basin instead.Ride, Drive, and Explore Beyond the ParkIf you want a change of pace from hiking and geyser-gazing, West Yellowstone-based outfitters offer:Guided horseback rides through nearby forest and meadowScenic drives along the Grand Loop Road, especially early morning before traffic buildsRafting on the Madison River for a different view of the area’s sceneryPlan Your Summer TripWhichever activities make your list, basing yourself in West Yellowstone puts you closest to the park’s west entrance and everything above. Find a place to stay and start building your summer itinerary today.