Are There Copperheads in Alaska?
No, copperheads are not found in Alaska. These venomous snakes live only in the eastern and central United States, far outside Alaska's subarctic and arctic climate. Alaska's cold temperatures and short growing season make it impossible for copperheads or any other venomous snake species to survive there.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
Eastern Copperhead · Court Harding CC BY
Eastern Copperhead · Mila C. CC BY
Eastern Copperhead · Alan Rockefeller CC BY
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- GBIF records
Copperheads aren't established in Alaska, so you might be wondering:
Real sighting data, source iNaturalist
Only 0 verified observations on iNaturalist of copperhead have been logged in Alaska, which fits how rare they are in the state. That low number is itself the most honest answer to whether you are likely to see one here.
No, copperheads are not found in Alaska. These venomous snakes live only in the eastern and central United States, far outside Alaska's subarctic and arctic climate. Alaska's cold temperatures and short growing season make it impossible for copperheads or any other venomous snake species to survive there.
Are They in Alaska?
Copperheads do not live in Alaska and have never established populations there. These snakes require warm, temperate climates to survive and thrive, and Alaska's long winters, short summers, and subarctic conditions are completely unsuitable for them. Copperheads are found only in the eastern and central United States, roughly east of the Mississippi River and south of the Great Lakes. The closest copperheads to Alaska live in the southern and central United States, thousands of miles away. Alaska's native snake species are cold-adapted and include only garter snakes and sea snakes, none of which are venomous in the way copperheads are. If you are visiting or living in Alaska, you do not need to worry about copperheads. For information aboutCopperhead in Alaskaand why it is absent, or to learn about Alaska's actual snake species, visitAlaska wildlifeguides.
How Dangerous Is It?
Since copperheads do not occur in Alaska, they pose no danger to residents or visitors to the state. However, if you are planning to travel to the eastern or central United States where copperheads do live, it is useful to understand their actual risk. A copperhead bite is painful and requires medical evaluation, but deaths are very rare in healthy adults who receive prompt care. The venom causes local tissue damage at the bite site rather than systemic effects. Bites are almost always accidental, occurring when someone steps on a concealed snake or reaches into an area where one is hidden. Panic after a bite is more dangerous than the bite itself, as it can lead to poor decisions. If you are traveling to copperhead country and get bitten, staying calm and seeking immediate medical care results in full recovery in the vast majority of cases. Alaska has no native venomous snakes, so outdoor activities in the state carry no snake bite risk.
How to Recognize One
Although copperheads do not live in Alaska, understanding their appearance is useful if you travel elsewhere in the United States. Copperheads are medium-sized snakes, typically 24 to 36 inches long, with distinctive hourglass-shaped bands across their back. The bands are narrow at the spine and wider on the sides, creating a characteristic pattern. Their head is copper-colored, which gives them their common name. The body color ranges from light tan to reddish-brown. Young copperheads have a bright yellow or greenish tail tip that they wiggle to attract prey. Copperheads are pit vipers, with heat-sensing pits along their jaws. They hide in leaf litter, woodpiles, under rocks, and fallen logs in forests across the eastern United States. Alaska's snake species look completely different and present no medical threat. Learning these features helps you avoid copperheads if you travel to the lower 48 states or learn aboutAlaska wildlifenative species instead.
What to Do If You Are Bitten or Stung
Because copperheads do not live in Alaska, this scenario is not a risk in the state. However, if you are bitten by a copperhead while traveling in the eastern or central United States, the response is straightforward. Stay calm, as panic increases heart rate and can speed venom circulation. Remove any jewelry or tight clothing near the bite site. Keep the bitten area still and at or slightly below heart level. Do not attempt to catch or kill the snake. Seek medical attention immediately. This is general information, not medical advice; if you are bitten, call Poison Control at 1-800-222-1222, or 911 if symptoms are severe. A healthcare provider can determine whether antivenom is needed and monitor for complications. Bites rarely result in serious complications when treated promptly. Emergency departments throughout copperhead country are well-equipped to manage these bites. If you are planning outdoor activities in copperhead regions, knowing this information helps you respond effectively if an unlikely bite occurs.
How to Prevent Encounters
Prevention is not necessary in Alaska because copperheads do not live there. If you are planning a trip to regions where copperheads do occur, following basic precautions reduces your risk significantly. Wear closed-toe shoes and long pants when walking through tall grass, woodpiles, or brush. Shake out shoes, gloves, and clothing before putting them on. Keep your hands and feet away from areas where snakes might hide, such as under logs, in leaf litter, or between rocks. Stay on established trails when hiking. Do not reach into brush piles, hollow logs, or dense vegetation without looking first. Remove debris piles, woodpiles, and brush from around structures you might be occupying. Keep grass mowed. Avoid walking near snake-prone areas during dawn and dusk when snakes are most active. Most importantly, if you see a snake, simply move away and let it retreat. Snakes want to avoid you. Alaska's outdoor environment poses no snake bite risk, making prevention unnecessary in the state.
Where in Alaska and When
Copperheads do not occur anywhere in Alaska. Their range is limited to the eastern and central United States, where they inhabit mixed deciduous forests, oak-pine woodlands, stream valleys, and rocky hillsides. In that part of the country, they are active from April through October, with peak activity during late spring and early fall. They retreat to protected sites to overwinter during the long months of cold. Alaska's climate is too cold for them to establish populations anywhere in the state, from the southeast panhandle to the Interior to the North Slope. Even the warmest parts of Alaska during summer do not provide the year-round environmental conditions copperheads need. Alaska's native snakes, such as garter snakes, are adapted to cold and short growing seasons. If you want to learn more about Alaska's actual snake species and other wildlife, exploreour wildlife guidesor visitwildlife in Alaskafor comprehensive information about the species that actually live in the state.
Harmless Lookalikes
There are no copperheads in Alaska, so you will not encounter them or their lookalikes in the state. Alaska's native snakes include garter snakes, which are completely harmless. Garter snakes are smaller and more slender than copperheads, with longitudinal stripes running the length of their body rather than hourglass bands. They are not venomous and pose no medical threat. Sea snakes do occur in Alaska's coastal waters, but they are not found on land and are not a concern for typical outdoor activities. Alaska's landscape and climate support only cold-adapted reptile species, none of which are venomous pit vipers like copperheads. If you are in Alaska and see a snake, it is almost certainly a harmless garter snake. The lack of copperheads and similar venomous species is one of the benefits of Alaska's extreme northern latitude and subarctic environment. Understanding that no dangerous snakes live in Alaska can help you relax and enjoy outdoor activities in the state without worry.
Frequently Asked Questions
**Are there any venomous snakes in Alaska?** No, Alaska has no venomous snakes. The state's climate is too cold for any venomous species, including copperheads, rattlesnakes, or water moccasins. **What snakes do live in Alaska?** Alaska is home to garter snakes, which are small, harmless, and well-adapted to cold. **What should I do if I see a snake in Alaska?** If you see a snake in Alaska, it is a harmless garter snake. You can observe it or simply move away and leave it alone. **Why don't copperheads live in Alaska?** Copperheads require warm, temperate climates and cannot survive Alaska's subarctic and arctic conditions. Learn more aboutAlaska wildlife guideto understand the species that actually thrive in this unique environment. For additional information about venomous snakes in other parts of the country, exploremore on Copperhead in Alaskaresources or visitour wildlife guidesfor comprehensive national coverage.
Plan your copperhead sighting in Alaska
There are no verified copperhead records for Alaska, which fits how uncommon they are here. See the GBIF records.
Where to look in Alaska
- Alagnak Wild River · Wildlife Watching, Birdwatching · Find hotels
- Aleutian Islands World War II National Historic Area · Wildlife Watching, Birdwatching · Find hotels
- Aniakchak National Monument & Preserve · Wildlife Watching, Birdwatching · Find hotels
- Bering Land Bridge National Preserve · Wildlife Watching, Birdwatching · Find hotels
- Cape Krusenstern National Monument · Wildlife Watching, Birdwatching · Find hotels
- Denali National Park & Preserve · Wildlife Watching · Find hotels
Frequently asked questions
Are They in Alaska?+
Copperheads do not live in Alaska and have never established populations there. These snakes require warm, temperate climates to survive and thrive, and Alaska's long winters, short summers, and subarctic conditions are completely unsuitable for them. Copperheads are found only in the eastern and central United States, roughly east of the Mississippi River and south of the Great Lakes. The closest copperheads to Alaska live in the southern and central United States, thousands of miles away. Alaska's native snake species are cold-adapted and include only garter snakes and sea snakes, none of which are venomous in the way copperheads are. If you are visiting or living in Alaska, you do not need to worry about copperheads. For information aboutCopperhead in Alaskaand why it is absent, or to learn about Alaska's actual snake species, visitAlaska wildlifeguides.
How Dangerous Is It?+
Since copperheads do not occur in Alaska, they pose no danger to residents or visitors to the state. However, if you are planning to travel to the eastern or central United States where copperheads do live, it is useful to understand their actual risk. A copperhead bite is painful and requires medical evaluation, but deaths are very rare in healthy adults who receive prompt care. The venom causes local tissue damage at the bite site rather than systemic effects. Bites are almost always accidental, occurring when someone steps on a concealed snake or reaches into an area where one is hidden. Panic after a bite is more dangerous than the bite itself, as it can lead to poor decisions. If you are traveling to copperhead country and get bitten, staying calm and seeking immediate medical care results in full recovery in the vast majority of cases. Alaska has no native venomous snakes, so outdoor activities in the state carry no snake bite risk.
More wildlife in Alaska