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Every number below comes from the live Colter Bay and Gros Ventre pages on this site, which track these recreation.gov campgrounds for cancellations.
Colter Bay is the full-service village pick: 349 sites (276 standard, 49 tent-only, 13 electric, 10 group) right on Jackson Lake. Gros Ventre has 317 sites (243 standard, 35 electric, 35 tent-only, 4 group) set back from the river between Moose and Jackson, and its own page notes it tends to fill later in the day than Colter Bay or Jenny Lake - which makes it the realistic same-day fallback.
Colter Bay lists 349 sites: 276 standard, 49 tent-only, 13 with electric hookups, and 10 group sites, all anchored to Jackson Lake. Gros Ventre lists 317: 243 standard, 35 electric, 35 tent-only, and 4 group, along the Snake River bottomland. If hookups matter, Gros Ventre actually carries the bigger electric pool.
Colter Bay is the destination itself: lake mornings, marina mornings-after, and the Teton range straight across the water. Its page marks July and August as peak season for the park and the lake. Gros Ventre is the practical basecamp: close to Moose and Jackson, quieter evenings, and the useful quirk that it keeps filling later in the day than the lakefront campgrounds.
Both book on recreation.gov, and July-August dates are the hardest to land at either one. Set a free alert for your exact dates and we email you the moment a cancellation opens. Sold out anyway? Cabins around Moran or Jackson book on Vrbo.
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Colter Bay is the full-service village pick: 349 sites (276 standard, 49 tent-only, 13 electric, 10 group) right on Jackson Lake. Gros Ventre has 317 sites (243 standard, 35 electric, 35 tent-only, 4 group) set back from the river between Moose and Jackson, and its own page notes it tends to fill later in the day than Colter Bay or Jenny Lake - which makes it the realistic same-day fallback.
Gros Ventre, for two reasons: it is the larger electric-site pool (35 versus 13), and its page says it fills later in the day than the lakefront campgrounds during the June-through-September peak. Colter Bay's Jackson Lake position makes it the first to go.
Yes. Colter Bay and Gros Ventre are recreation.gov campgrounds watched by Camp.land alerts. Set your dates once and we email you the moment a site opens. The first alert is free.