Grand Geyser Reviews
Come and watch the "opening act", Marmots playing on the rocks around the geyser. This doesn't go off timely like Old Faithful, there is a "window" of time posted. We meet some "Geyser Gazers" who gav... more »
This geyser is along the boardwalks at the Old Faithful Inn. It erupts less frequently than Old Faithful only once every six hours. It also has a plus or minus 45 minutes window of uncertainty on the ... more »
One of the most magnanimous geysers in comparison to the other geysers at Yellowstone. Beautiful natural fountain that shoots up highest and is mesmerizing to watch it. Grand geyser erupts once in six hours and the wait is worth waiting for. My first experience with a natural fountain geyser that was no less than a hollywood drama
Quite possibly the single best geyser in Yellowstone for its combination of spectacular eruptions and relatively frequent and reliable performance. Grand is an absolute gem and if you can fit it into your schedule it’s totally worth the wait. As lovely as Old Faithful is, Grand simply puts on a better show with its powerful, charismatic bursts and longer eruption. Willing to wait a few hours to catch it? Great!Here’s the plan- first you’ll obviously need to know when the next prediction is. You can find that in the Old Faithful visitor center, or better yet download the GeyserTimes app. This app tracks eruptions so you can easily see what the last several intervals (time between eruptions) have been. Lately, (as of summer 2018) Grand has been tracking very reliably with intervals of 5-7 hours. Figure out the next window of opportunity for Grand. For example, if the last eruption was at 8:00 A.M., then the next one will likely be between 1 and 3 in the afternoon. (Side note- it is helpful to think of predictions as window like this rather than as specific times. Geysers don’t know if they are “early” or “late”, they just go when they’re ready.) If you have extra time enjoy some of the other features of the area like Castle Geyser or Geyser hill. Once at Grand you’ll notice a low but distinct sinter rim and a flat pool of water on the right of that. The flat pool is Grand. The small geyser with the large raised rim is Turban Geyser. The two geysers are closely connected. As an eruption of Grand approaches, Turban will begin erupting in a roughly 20 minute cycle. Grand will erupt either just before or after the beginning of Turban. If Turban starts and Grand does not join within a minute or two, then it almost certainly won’t for another 15-20 minutes, giving Turban time to finish and reset. Sit back, relax, read a book, or whatever :-). These cycles can go on for hours. When you know you’re near the top of the cycle when either Grand or Turban or both will start soon, watch Grand’s flat pool of water. If you see even a small jet of water break the surface then get ready! Other than the cycling of Turban, Grand begins quickly with little warning. Within a few seconds of the first splash it rises dramatically to its full height and the show is on! A bit after the first strong surge the height will drop down but the eruption continues for several minutes with powerful, rhythmic bursts. After it stops wait a few seconds as it occasionally treats you to a second strong burst much like the first.
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