South Dakota
7 Most Rattlesnake Infested Areas in South Dakota
There is only one rattlesnake native to South Dakota: the prairie rattlesnake. Also known as the Great Plains rattlesnake, it has the largest range of any rattlesnake in North America, stretching from Canada to Mexico.
In South Dakota, the prairie rattlesnake’s range crosses through the western parts of the state and lands around the Missouri River. The prairies, badlands, rocky outcrops, and river watersheds make ideal places for it to thrive, and these snakes are most often found in areas where that terrain provides them with room to hide and hunt.
These snakes are not aggressive toward humans, but they will defend themselves if threatened. That is why the areas below stand out, as they combine the kinds of habitat where prairie rattlesnakes are most likely to live with places where people also hike, camp, and explore.
Custer State Park
Spanning 71,000 acres, Custer State Park is home to granite mountain peaks, lakes, and grasslands. Set in the Black Hills, its most noteworthy trails are up mountains such as Black Elk Peak, but its Wildlife Loop Road runs for 18 miles through open grasslands home to prairie dogs, bison, and other animals. These grasslands are a prairie rattlesnake’s preferred habitat, as they can slither through undetected and feed on prairie dogs, taking over their colonies.
Prairie rattlesnakes can be found in other places in Custer State Park as well, including in lower-elevation campgrounds. There have been multiple reports of rattlesnakes wandering onto campgrounds. This can be especially dangerous for guests who wander outside without proper footwear. That’s why it’s critical to always wear good shoes or boots while in these parks to avoid a nasty bite if you accidentally step on one of these reptiles.
Badlands National Park
These badlands contain one of the world’s richest fossil beds. The area was once covered by a sea, leaving behind many ancient marine creatures, such as the massive Mosasaurus. Mammal fossils are also common here, such as the Nimravid cat and the Brontothere, which likely grew to 8 to 16 feet tall and closely resembled modern rhinos. The badlands still provide rich habitat for wildlife, including prairie rattlesnakes, which are most often found in the prairies below the Badlands National Park’s iconic sedimentary rock formations.
The prairie rattlesnake feasts on a wide variety of prey in the park, from prairie dogs to burrowing owls and ferrets. It uses its heat-seeking pits to track its prey, while its tongue picks up particles in the air to “smell.” However, these snakes are not the only predators here. Red-tailed hawks and Golden Eagles are known to attack and eat these rattlesnakes, along with badgers.
Prairie rattlesnakes are most active from the spring to fall, but they can also come out in slightly cooler weather to bask in sunlight.
Lake Francis Case
Lake Francis Case was formed by the Fort Randall Dam on the Missouri River in the 1950s. It covers 102,000 acres with a maximum depth of 140 feet. Unfortunately, its creation flooded a Native American settlement and forced the community out. The lake is surrounded by prairies, from which hikers have seen prairie rattlesnakes. The lake is also home to a population of prairie dogs, which are prime prey for prairie rattlesnakes.
However, some prairie rattlesnakes can get closer to the shoreline, as Snake Creek Recreation Area is one of the better-known hotspots. They have been spotted hiding in the rocks and bushes by the lake. One trail known as a rattlesnake hotspot is the Shannon Trail, which connects the north and south campgrounds and overlooks Lake Francis Case.
George S. Mickelson Trail
The George S. Mickelson Trail is a 109-mile-long trail along an abandoned rail line across western South Dakota in the Black Hills. It connects to multiple forests, state parks, and privately maintained trails, including areas near Custer State Park. Toward the lower-elevation southern end of the trail, rattlesnakes have been regularly sighted by hikers and South Dakota park authorities.
The southern end of the trail passes through several habitats that support the prairie rattlesnake, such as the lower-elevation Sheep Canyon, where the rattlesnakes can hide among rocks, and the grassy prairies near Custer, South Dakota. Hikers in South Dakota sometimes find these snakes in prairie dog holes, as prairie rattlesnakes occasionally stick their heads out of them.
Wind Cave National Park
Wind Cave National Park comprises two distinct ecosystems: a vast cave and an above-ground prairie. The cave was of great importance to the Lakota people because it is central to their emergence story. What makes this park a good environment for rattlesnakes is its mixture of prairies and ponderosa forests. Prairie dogs in particular dig holes known as underground colonies or ‘towns,’ which prairie rattlesnakes often use as ambush sites to hunt prey.
The rattlesnakes can also take refuge in rocky outcrops, both to protect themselves from the elements and to ambush prey. During cooler parts of the year, snakes are more likely to bask in the sun, increasing the chance of human encounters. The Wind Cave National Park is also close to several other rattlesnake hotspots on this list, including Custer State Park.
Missouri River
The Missouri River is the longest river in the United States, flowing for 2,341 miles from the Rocky Mountains of Montana down into the Mississippi River in Missouri. It flows through western and central South Dakota as well, providing water for a large semi-arid watershed. In South Dakota, the drier climate and the rocky bluffs, shorelines, and nearby prairie habitat along the river make this corridor one of the main areas where prairie rattlesnakes are found.
Prairie rattlesnakes are most strongly associated with western South Dakota and the lands around the Missouri River. They are more often found in rocky or grassy areas near the river than in the water itself, though they have been observed swimming and may occasionally enter the water. As a result, people fishing or hiking through the Missouri River valley should stay alert for this snake.
Black Hills National Forest
The Black Hills National Forest is a massive area, covering 1.2 million acres of forests and mountains, or 110 miles long by 70 miles wide. It has been called an Island in the Plains, as it rises above the mostly flat landscape of the Great Plains.
The forest contains 1,300 miles of streams, 11 reservoirs, 353 miles of trails, and 30 campgrounds. While exploring this forest, hikers and campers may encounter rattlesnakes, especially in lower-elevation areas or in rocky areas. In hot summer weather, rattlesnakes often retreat from the heat, but during the cooler spring and fall months, they are more likely to bask in the open.
In some cases, hikers may not hear a warning rattle right away, which is one reason caution matters in rocky or brushy areas. These tails don’t provide the support needed for their rattles to make a sound. Wildlife experts believe this is an evolutionary change, since rattlesnakes that make a loud rattle are more likely to be killed by frightened hikers or campers.
Humans are rattlesnakes’ biggest predators
Prairie rattlesnakes face many threats, and encounters with humans are one of them. Rattlesnakes usually try to avoid people when they can, or warn them when someone gets too close. These incidents are often avoidable if you take proper precautions, such as wearing sturdy shoes, staying on trails, and being aware of what lies ahead. These snakes may be intimidating, but they are far more threatened by humans than we are by them.
The South Dakota Lottery offers multiple draw games for those aiming to win big.
Here’s a look at May 10, 2026, results for each game:
Winning Millionaire for Life numbers from May 10 drawing
01-03-20-35-46, Bonus: 05
Check Millionaire for Life payouts and previous drawings here.
Feeling lucky? Explore the latest lottery news & results
Are you a winner? Here’s how to claim your prize
- Prizes of $100 or less: Can be claimed at any South Dakota Lottery retailer.
- Prizes of $101 or more: Must be claimed from the Lottery. By mail, send a claim form and a signed winning ticket to the Lottery at 711 E. Wells Avenue, Pierre, SD 57501.
- Any jackpot-winning ticket for Dakota Cash or Lotto America, top prize-winning ticket for Lucky for Life, or for the second prizes for Powerball and Mega Millions must be presented in person at a Lottery office. A jackpot-winning Powerball or Mega Millions ticket must be presented in person at the Lottery office in Pierre.
When are the South Dakota Lottery drawings held?
- Powerball: 9:59 p.m. CT on Monday, Wednesday, and Saturday.
- Mega Millions: 10 p.m. CT on Tuesday and Friday.
- Lucky for Life: 9:38 p.m. CT daily.
- Lotto America: 9:15 p.m. CT on Monday, Wednesday and Saturday.
- Dakota Cash: 9 p.m. CT on Wednesday and Saturday.
- Millionaire for Life: 10:15 p.m. CT daily.
This results page was generated automatically using information from TinBu and a template written and reviewed by a South Dakota editor. You can send feedback using this form.
South Dakota
After Standing Rock, could a canceled mine project offer a roadmap for opponents of a new oil pipeline in South Dakota?
Almost exactly a decade since the start of the Standing Rock protests against the Dakota Access pipeline gained national and international attention, new disputes are simmering over tribal rights in the Black Hills of South Dakota.
Earlier this month, an environmental organization and a Native American advocacy group sued the US Forest Service, claiming that an exploratory graphite drilling project on national forest land threatened a recognized ceremonial site on mountain meadows known as Pe’ Sla, or Reynolds Prairie.
But on Friday, Pete Lien and Sons, the company behind the project, abruptly withdrew, saying it would perform reclamation on the site and would not seek to file another plan. The decision came as a striking victory for Native American tribes and environmental groups that had opposed it – but other projects in the works may not meet the same conclusion.
The project, claimed nine groups within the Sioux Nation, including the Standing Rock Sioux, would “directly and significantly” affect the use of Pe’ Sla, which sits within Ȟe Sápa, the Lakota name for the sacred Black Hills of South Dakota, itself the locus of Lakota creation myths.
A second exploratory project by a Canadian company looking to mine uranium on state-owned land could affect Craven Canyon, an area that contains 7,000-year-old sites of importance to Indigenous tribes, historians and archaeologists.
Opposition to the twin projects – backed by Pete Lien, of Rapid City, and by Clean Nuclear Energy Corp – comes as a proposed Alberta-to-Wyoming pipeline for carrying Canadian crude oil to the US is close to securing commitments from oil companies after Donald Trump granted permitting through an executive order.
All the projects have at their heart issues of extraction, water safety and sacred sites, much as the Standing Rock dispute of 2016 that saw “water protesters” gather in a standoff with law enforcement over concerns regarding water safety and sacred sites.
That case began when the Standing Rock Sioux passed a resolution stating that “the Dakota Access Pipeline poses a serious risk to the very survival of our Tribe and … would destroy valuable cultural resources” and was a violation of the 1868 Fort Laramie Treaty guaranteeing the “undisturbed use and occupation” of reservation lands surrounding the pipeline.
In the aftermath, the environmental group Greenpeace was ordered to pay damages of $345m by a North Dakota judge to pipeline company Energy Transfer and subsidiary Dakota Access in connection with the protests, an order that is set to go to appeal. Greenpeace claims the legal action is designed to silence activists.
Most of the current disputes relate to energy, reflecting the Trump administration’s drive toward US energy independence and away from dependence on foreign sources, particularly China. Graphite, used in electric vehicle batteries, is almost exclusively imported. Roughly 95%–99% of uranium is purchased from foreign sources, including Russia and Kazakhstan.
The pipeline deal, meanwhile, is expected to help increase oil output from Canada, the world’s fourth-largest producer, to around 6.1m barrels a day, up from 5.5m now. Bridger, the company behind the Alberta-to-Wyoming pipeline, has said the project was being developed in response to identified market interest.
Wizipan “Little Elk” Garriott, a member of NDN Collective, an Indigenous rights group opposing the mining at Pe’ Sla, says the entire process of approval for the planned mine “happened in the dark”.
“There was no notice that they were proceeding provided to us, nor to the sovereign tribal nations,” he says, in violation of environmental and cultural impact study requirements and consultations with the tribes.
Lilias Jarding, director of the Black Hills Clean Water Alliance, one of the parties in the victorious Pe’ Sla action, says the decade since Standing Rock has seen a huge growth in projects attempting to mine tribal lands and areas of ceremonial significance.
Since the start of the second Trump administration, the push for both minerals extraction and energy has dramatically increased. “They’re being more aggressive,” Jarding says. In the case of Pe’ Sla, he adds, the company didn’t stop drilling when the lawsuits was filed: “They started drilling 24 hours a day.”
The alliance, along with tribes, claim the graphite project violated the National Environmental Policy Act (NEPA) and the National Historic Preservation Act (NHPA) and that the US Forest Service improperly used a process known as a “categorical exclusion” to bypass reviews.
Oglala Sioux president Frank Star Comes Out said in a statement that the Sioux tribes never ceded to the US the lands in the Black Hills, which, he said, “remain the spiritual center of the Great Sioux Nation and they are not for sale, lease or exploitation” and that the lawsuit is a “united tribal response to protect a sacred site from those who continue to desecrate our ancestral lands”.
Oglala activist Taylor Gunhammer said that drilling at Pe’ Sla was akin to “drilling under the Vatican or at a sacred site in Jerusalem”.
A representative of Clean Nuclear Energy Corp, Mike Blady, said the company was “aware of the cultural significance and are doing everything in our power to ensure that there is no collateral damage”.
Will this amount to a populist action similar to Standing Rock?
The Pe’ Sla dispute did not provoke the kind of Indigenous-led, grassroots resistance to fossil-fuel infrastructure projects that accompanied the Dakota Access pipeline, which in some ways became a template for contemporary protests, powered by social media, celebrities and politicians.
The tribes were not in favor of following in that direction, Jarding says: “It’s a deeply sacred spiritual and ceremonial site, and elders have made it clear that it’s not a good place for another Standing Rock with thousands of people. They say this is not the place.”
Under the Biden administration, the tribal groups felt they were entering into a period of co-management policy over federal lands that in many cases lie within treaty agreements. But under the Trump administration, that sense of co-operation has diminished.
“We’ve seen a ramp-up of opening up federal lands for mineral and gas exploration, but as a planet we need to be moving away from fossil fuels and toward policies that are sustainable into the future,” says NDN’s Garriott.
What was planned for Pe’ Sla now, or was happening at Standing Rock a decade ago, or has indeed happened over a long history of disputes between sovereign tribal groups and the US government, he says, is “protecting our land and protecting our water, not only for ourselves but for the planet. We’re not random protesters out there – we’re protecting our own land”.
The South Dakota Lottery offers multiple draw games for those aiming to win big.
Here’s a look at May 9, 2026, results for each game:
Winning Powerball numbers from May 9 drawing
15-41-46-47-56, Powerball: 22, Power Play: 2
Check Powerball payouts and previous drawings here.
Winning Lotto America numbers from May 9 drawing
08-12-13-27-42, Star Ball: 04, ASB: 04
Check Lotto America payouts and previous drawings here.
Winning Dakota Cash numbers from May 9 drawing
01-02-04-08-18
Check Dakota Cash payouts and previous drawings here.
Winning Millionaire for Life numbers from May 9 drawing
08-11-17-29-49, Bonus: 02
Check Millionaire for Life payouts and previous drawings here.
Feeling lucky? Explore the latest lottery news & results
Are you a winner? Here’s how to claim your prize
- Prizes of $100 or less: Can be claimed at any South Dakota Lottery retailer.
- Prizes of $101 or more: Must be claimed from the Lottery. By mail, send a claim form and a signed winning ticket to the Lottery at 711 E. Wells Avenue, Pierre, SD 57501.
- Any jackpot-winning ticket for Dakota Cash or Lotto America, top prize-winning ticket for Lucky for Life, or for the second prizes for Powerball and Mega Millions must be presented in person at a Lottery office. A jackpot-winning Powerball or Mega Millions ticket must be presented in person at the Lottery office in Pierre.
When are the South Dakota Lottery drawings held?
- Powerball: 9:59 p.m. CT on Monday, Wednesday, and Saturday.
- Mega Millions: 10 p.m. CT on Tuesday and Friday.
- Lucky for Life: 9:38 p.m. CT daily.
- Lotto America: 9:15 p.m. CT on Monday, Wednesday and Saturday.
- Dakota Cash: 9 p.m. CT on Wednesday and Saturday.
- Millionaire for Life: 10:15 p.m. CT daily.
This results page was generated automatically using information from TinBu and a template written and reviewed by a South Dakota editor. You can send feedback using this form.
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