The elk herd survives the hard winters of Jackson Hole through a supplementary feeding program and a lottery-based, permitted hunting program. The elk have antlers which are shed each year- the Boy Scouts of America have been collecting the antlers under permit since 1968 and selling them at auction, under agreement that 75% of the proceeds are returned to the refuge, where they are used for irrigation of the grasses to maintain maximum natural food supply. Ten to eleven thousand pounds (4,500 to 5,000 kg) of antlers are auctioned each year. The increase in value has resulted in a commensurate rise in antler theft, and the 2017 auction set a new record price of $18.79/lb.

The furthest consistent migration of elk to the refuge is currently from the southern portion of Yellowstone National Park, making it the second-longest ungulate migration in the lower 48 states. (The migration of pronghorn between the Green River basin and Jackson Hole is longer).

The refuge is nearly 25,000 acres (10,000 ha) of meadows and marshes along the valley floor, sagebrush and rock outcroppings along the mountain foothills. The largest single herd of bison under federal management, comprising 1,000 plus individuals, also winter on the refuge.[4] Bighorn sheep, along with pronghorn, mule deer can be found. Rare sightings of wolf packs and grizzly bears have occurred, while coyotes and red foxes are more common. The most abundant birds include red-winged blackbirds, magpies, crows and ravens, along with trumpeter swans, which can be found along Flat Creek, which flows out of the refuge south into the town of Jackson. A total of 47 mammal species and 147 bird species have been documented on the refuge.

The refuge has a lower elevation and much milder climate than the rest of the Greater Yellowstone Ecosystem, which is why so many animals are drawn to winter on it. Most of it is snow-covered from November until March. Snowfalls are followed by sunny days, when some of the snow melts temporarily. South-facing slopes are free of snow for most of the winter.

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Grand Teton National Park is an American national park in northwestern Wyoming. At approximately 310,000 acres (1,300 km2), the park includes the major peaks of the 40-mile-long (64 km) Teton Range as well as most of the northern sections of the valley known as Jackson Hole. Grand Teton National Park is only 10 miles (16 km) south of Yellowstone National Park, to which it is connected by the National Park Service–managed John D. Rockefeller Jr. Memorial Parkway. Along with surrounding national forests, these three protected areas constitute the almost 18-million-acre (73,000-square-kilometer) Greater Yellowstone Ecosystem, one of the world's largest intact mid-latitude temperate ecosystems.

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Grand Teton National Park is named for Grand Teton, the tallest mountain in the Teton Range. The naming of the mountains is attributed to early 19th-century French-speaking trappers—les trois tétons (the three teats) was later anglicized and shortened to Tetons. At 13,775 feet (4,199 m), Grand Teton abruptly rises more than 7,000 feet (2,100 m) above Jackson Hole, almost 850 feet (260 m) higher than Mount Owen, the second-highest summit in the range. The park has numerous lakes, including 15-mile-long (24 km) Jackson Lake as well as streams of varying length and the upper main stem of the Snake River. Though in a state of recession, a dozen small glaciers persist at the higher elevations near the highest peaks in the range. Some of the rocks in the park are the oldest found in any American national park and have been dated at nearly 2.7 billion years.

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This den or ‘lodge’ houses the entire family of beaver responsible for the series of dams that have blocked up the stream creating the pond they live in as well as the wetland behind it.

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The Teton Range towers over Jackson Hole. Powerful forces began stretching this area less than 10 million years ago cracking the Earth's crust to form the 40-mile long Teton fault. Movement on this fault generates massive earthquakes up to magnitude 7.5. Each earthquake hinges the mountain block skyward & drop the valley-block leaving no foothills.

Ancient granite & gneiss, 2.5 to 2.7 billion years old, form the core of this youthful range. These rocks resist erosion but over time wind, water & ice slowly shape the landscape. Ice, in the form of glaciers, carved & sculpted the dramatic landscape forming jagged arêtes, U-shape canyons & deposited moraines.

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