Bears are active in Grand Teton
Black and grizzly bears are roaming throughout the park--near roads, trails and in backcountry areas. Hikers and backcountry users are advised to travel in groups of three or more, make noise and carry bear spray. Visitors must stay 100 yards from bears. More »
Area closure in the area around Baxter's Pinnacle
An area closure is in effect around Baxter's Pinnacle to protect nesting peregrine falcons. This closure precludes any climbs of Baxter's Pinnacle and usage of the walk-off gully. This closure will be in effect through 8-15-2013. More »
Area Closure in effect in the Elk Ranch area
A temporary area closure is in effect in the Elk Ranch Area to protect wildlife during the denning and young-rearing period. Follow the link for a map of the closed area. More »
Lakes and Ponds
Glaciers carved most of the lakes in the park thousands of years ago. As the glaciers moved they gouged out the valley floor. When the glaciers melted they left behind a depression in the ground that filled with water from melting glacial ice. These depressions became the lakes that we see today. Jackson Lake, the park's largest lake, is a natural lake raised by a 39-foot tall man-made dam.
Ponds and lakes provide a variety of habitat in and around them. From cutthroat trout to crawfish, from great blue herons to moose, almost all wildlife in the park derive some benefit from lakes and ponds. Ponds and lakes also provide recreational opportunities for visitors. Some of the easiest and most popular hikes are around small lakes and ponds. All of the lakes are open to swimming and non-motorized boating. Jackson Lake also allows motorized boats for recreational use.
Did You Know?
Did you know that the bark on Aspen trees looks green because it contains chlorophyll? Aspen bark is photosynthetic, a process that allows a plant to make energy from the sun, and helps the tree flourish during the short growing season.