Highlight • Natural Monument
Hiking
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Giant Geyser is a remarkable natural monument situated in the Upper Geyser Basin of Yellowstone National Park, within Teton County, Wyoming. Standing at an elevation of approximately 2227 meters (7,306 feet) in the heart of the Rocky Mountains, this cone-type geyser is renowned for its massive geyserite cone, which can reach up to 12 feet in height, and its spectacular, albeit sporadic, eruptions. It is the namesake and central feature of the "Giant Group" of geysers, which includes Bijou Geyser,…
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May 9, 2023
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September 4, 2024
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
Details
Informations
Elevation 2,230 m
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Friday 13 March
6°C
-2°C
33 %
Additional weather tips
Max wind speed: 37.0 km/h
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Giant Geyser is renowned for its spectacular but highly sporadic eruptions. Unlike Old Faithful, its eruptions are unpredictable and can be separated by long periods of dormancy, sometimes lasting years or even decades. For instance, it was dormant for several years starting in 1955, and between 1963 and 1987, only six eruptions were recorded. While it had an active phase between 2005 and 2008, with 54 eruptions in 2007, it had no recorded eruptions between 2020 and 2022, erupting again on November 23, 2023. There is no reliable way to predict an eruption, making it a rare and special sight for those lucky enough to witness it.
Giant Geyser is the namesake and central feature of the 'Giant Group' of geysers. This group includes Bijou Geyser, Catfish Geyser, Mastiff Geyser, and Turtle Geyser, all situated on a raised stone platform alongside Giant Geyser. Even when Giant Geyser is not erupting, these surrounding springs can become more active during 'hot periods,' offering continuous displays of geothermal wonders.
Giant Geyser is located in the Upper Geyser Basin, which features numerous accessible boardwalks and paved paths. A popular option is the Upper Geyser Basin Trail, which connects many of the area's famous geysers, including Old Faithful. This trail offers various viewpoints and allows hikers and trail runners to explore the diverse geothermal features at their own pace. While there isn't a specific 'Giant Geyser loop trail,' the network of paths provides ample opportunities to observe it from different angles.
The main viewing areas and pathways around Giant Geyser within the Upper Geyser Basin are generally accessible. Many of the trails are boardwalks or paved, making them suitable for wheelchairs and strollers. However, it's always advisable to check the latest conditions with the National Park Service upon arrival, as weather or maintenance can occasionally affect accessibility.
Parking is available at various lots within the Upper Geyser Basin, most notably near the Old Faithful Visitor Education Center. During peak season, these lots can fill up quickly, so arriving early in the morning is strongly recommended. As Giant Geyser is located within Yellowstone National Park, a valid park entrance pass is required. These passes can be purchased at park entrances or online in advance. No additional specific permits are needed to visit Giant Geyser itself.
Yes, Giant Geyser and the Upper Geyser Basin are very family-friendly. The boardwalks and paved paths make it easy for families with children of all ages to explore. Kids will be fascinated by the steaming geysers, colorful hot springs, and the sheer power of the geothermal features. The rarity of a Giant Geyser eruption can also add an exciting element of anticipation to the visit. The area offers numerous easy walks suitable for families.
Pets are generally permitted in Yellowstone National Park, but with strict restrictions. They are allowed in developed areas, at campgrounds, and within 100 feet of roads and parking areas. However, pets are not allowed on boardwalks, trails, in the backcountry, or in thermal areas, which includes the immediate vicinity of Giant Geyser. Service animals are an exception to these rules. It's best to leave pets at home or make arrangements for their care if you plan to explore the geyser basins.
Yellowstone's weather can be highly unpredictable, even in summer. Layering clothing is essential. We recommend packing a waterproof and windproof outer shell, warm layers (fleece or wool), comfortable walking shoes, a hat, sunglasses, and sunscreen. Even on sunny days, temperatures can drop quickly, especially at higher elevations. Bringing plenty of water and snacks is also a good idea, as amenities can be spread out.
Giant Geyser is located in the Upper Geyser Basin, which is home to the Old Faithful area. Here, you'll find several amenities, including the Old Faithful Inn, Old Faithful Lodge Cabins, and Old Faithful Snow Lodge, offering accommodation and dining options. There are also general stores, gift shops, and visitor services available. These facilities are within walking distance or a short drive from Giant Geyser.
While the intro mentions late spring, summer, and early autumn as the best time for favorable weather, these are also the busiest periods. To avoid the largest crowds, consider visiting in late spring (May to early June) or early autumn (late September to October). During these shoulder seasons, the weather can still be pleasant, but the number of visitors is significantly lower, offering a more serene experience of the geyser basin.
Yes, Giant Geyser is accessible during the winter, but access is limited. Most park roads close to regular vehicle traffic in early November and reopen in late April or early May. During winter, the Upper Geyser Basin can typically be reached via snowmobile or snowcoach tours from the West Entrance or South Entrance. Winter offers a unique and stunning perspective of the geysers, with steam rising dramatically against the snow-covered landscape, though services are more limited.