Snakes in Alaska: identification guide and best places to start
No, Alaska has no native snake species. It is one of the only places on Earth with effectively no resident snakes. The reason is simple. Alaska is too cold, too far north, and was cut off by ice and ocean, so no snake ever colonized it the way snakes spread across the rest of North America. The rare exceptions are not wild populations. They are escaped or released captive pets, and a handful of unconfirmed garter snake reports near the southern panhandle that have never become established. So if you came here asking what snakes live in Alaska, the honest and useful answer is none. This page explains why Alaska is snake free, what people actually see when they think they spotted a snake, and what the legless lookalikes really are.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
- 0
- GBIF records
Snakes aren't established in Alaska, so you might be wondering:
Real sighting data, source iNaturalist
Only 0 verified observations on iNaturalist of snake 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, Alaska has no native snake species. It is one of the only places on Earth with effectively no resident snakes. The reason is simple. Alaska is too cold, too far north, and was cut off by ice and ocean, so no snake ever colonized it the way snakes spread across the rest of North America. The rare exceptions are not wild populations. They are escaped or released captive pets, and a handful of unconfirmed garter snake reports near the southern panhandle that have never become established. So if you came here asking what snakes live in Alaska, the honest and useful answer is none. This page explains why Alaska is snake free, what people actually see when they think they spotted a snake, and what the legless lookalikes really are.
Are there snakes in Alaska?
No. Alaska has no native, established snake species anywhere in the state. This is not just rare, it is one of the clearest cases of true absence in North America. Hawaii is famous for having almost no snakes, and Alaska belongs in the same small group for the opposite reason. Hawaii is isolated by ocean, and Alaska is isolated by cold and ice.
The few snake encounters ever reported in Alaska fall into two buckets. The first is escaped or released pet snakes, which can turn up briefly near towns but cannot survive the winter outdoors. The second is a small number of garter snake reports near the far southern panhandle, close to British Columbia, which have never produced a breeding population. None of this adds up to snakes living in Alaska.
See ourstate wildlife pagefor the next step.
Why does Alaska have no snakes?
Two things keep Alaska snake free, and both come down to geography and temperature.
The first is climate. Snakes are ectotherms, which means they rely on outside heat to stay active and to digest food. They also need a frost free place to spend winter, called a hibernaculum, deep enough to stay above freezing. Alaska winters are long and severe, and the ground freezes deep across most of the state, so a snake has nowhere safe to wait out the cold. Even in a warm summer, the active season is too short for snakes to feed, breed, and prepare for another brutal winter.
The second is isolation and history. As North America warmed after the last ice age, snakes slowly spread north from warmer regions. They reached parts of Canada, but the cold barrier and the rugged terrain stopped that spread well before Alaska. Snakes never had a land route warm enough to follow, so they simply never arrived. This is the same reason Ireland and New Zealand have no native snakes. The combination of a cold climate and no path in means the door stayed closed.
What looks like a snake in Alaska but is not one?
Almost every Alaska snake sighting turns out to be something else. Knowing the usual suspects helps you identify what you actually saw.
Escaped pet snakes are the one case where it really is a snake. A released garter snake, corn snake, or ball python can show up near a town for a short time. These animals are non native and cannot survive an Alaska winter, so they do not establish.
Long, slender, legless animals cause most false alarms. Large earthworms and nightcrawlers come out after rain and can look snake like at a glance. Some people mistake eels or lamprey near water for snakes. Even a long strip of shed bark or a root can fool the eye on a trail.
To tell a real snake from a lookalike, check a few things. A snake has dry, scaled skin, not the moist, segmented body of a worm. A snake cannot blink because it has no eyelids, while a lizard can. If the animal is in water and has fins or gills, it is a fish, not a snake.
See ourstate animal guidefor the next step.
What should you do if you think you see a snake in Alaska?
Because a wild snake would be so unusual in Alaska, a real sighting is worth documenting. Take a clear photo from a safe distance and note the exact location and date. Do not handle the animal, even if it looks harmless, since you cannot be sure what it is.
Report the sighting to the Alaska Department of Fish and Game. A photo lets biologists confirm whether you saw an escaped pet, a lookalike, or something genuinely unexpected. Reports like this help wildlife managers track non native animals that people release, which matters for protecting Alaska ecosystems. If the animal is clearly a released pet near a home, your report still helps, because abandoned reptiles can carry disease and should not be left outside.
Are snakes dangerous in Alaska?
No. There are no venomous snakes in Alaska and no established snakes of any kind, so snakes are essentially a non issue for hikers, gardeners, and families across the state. You do not need snake boots, snake gaiters, or any of the precautions that matter in the lower 48.
The real Alaska wildlife to respect is much larger. Bears, both brown and black, and moose cause far more concern than any reptile. Moose in particular injure more people in Alaska than most visitors expect. So if you are planning a hike, put your attention on bear safety, food storage, and giving moose plenty of space. Leave the snake worry behind, because in Alaska there is nothing to worry about.
Could climate change ever bring snakes to Alaska?
Maybe in the very long run, but not in any way you should plan around. Warming temperatures could, in theory, make the southern edge of Alaska slightly more livable for a cold tolerant species like the common garter snake, which already lives in parts of British Columbia not far to the south.
There are big barriers, though. Even a milder Alaska still has long, dark winters and a short feeding season, and a snake needs a frost free place to survive the cold months. There is also no easy land route for snakes to migrate in, since rugged terrain and water separate Alaska from established snake populations. The most likely path for any snake to appear is human help, such as an escaped pet or a snake hidden in shipped goods, rather than a natural northward spread. For now and the foreseeable future, the honest answer stands. Alaska has no snakes.
How does snake free Alaska compare to other states?
Alaska sits at the extreme end of the snake distribution map. Most US states have at least a dozen native snake species, and warm states have far more. Alaska has zero established species, which puts it in rare company.
Hawaii is the other famous near snake free state, kept that way by ocean isolation and active efforts to stop the brown tree snake from arriving. Alaska gets there through cold and distance instead. A few northern states like Maine have only a handful of species and no venomous ones, but they still have real, breeding snake populations. Alaska does not.
If you are curious about snakes in states where they actually live, oursnake guidecovers identification and species so you can compare what Alaska is missing with what you would find farther south.
Show off your snake sightings with these shirts
Once you've looked for snakes in Alaska, grab a shirt that shows your passion for these reptiles. Here are a few options from Easy Street Markets:
Rattlesnake Graphic T-Shirt
Bold rattlesnake design for anyone fascinated by snakes. Great for wearing on your next outdoor adventure.Check Price and Availability
Green Viper Snake T-Shirt
Detailed viper graphic with green tones. A sharp look for herpers and wildlife watchers.Check Price and Availability
Retro Cute Snake T-Shirt
Playful retro design that still respects the snake. Good for casual wear or gifting.Check Price and Availability
Snake T-Shirt
Clean, straightforward snake graphic. Simple and effective for any reptile lover.Check Price and Availability
Browse the full selection atEasy Street Markets snake t-shirts.
Frequently asked questions about snakes in Alaska
**Are there any snakes in Alaska at all?** No, there are no native or established snakes in Alaska. The only snakes ever seen are escaped pets or rare unconfirmed reports near the far southern panhandle, none of which form wild populations.
**Are there any venomous snakes in Alaska?** No. Alaska has no venomous snakes and no established snakes of any kind, so there is no snake bite risk in the wild.
**Why are there no snakes in Alaska?** The climate is too cold for snakes to survive winter, the active summer season is too short, and Alaska was isolated by ice and water, so snakes never had a route in.
**Are snakes protected in Alaska?** There is no native snake species to protect, so Alaska has no snake specific protections the way other states do. Non native reptiles should never be released into the wild.
**What looks like a snake in Alaska but is not?** Large earthworms after rain, eels or lamprey near water, and escaped pet snakes near towns. Check for dry scaled skin and the inability to blink to tell a real snake from a lookalike.
**Should I worry about snakes while hiking in Alaska?** No. Focus on bears and moose instead, since those are the real wildlife concerns. Snakes are not part of the Alaska hiking experience.
See oursnake ID guidefor the next step.
Gear and field guides
Plan your snake sighting in Alaska
There are no verified snake 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 there snakes in Alaska?+
No. Alaska has no native, established snake species anywhere in the state. This is not just rare, it is one of the clearest cases of true absence in North America. Hawaii is famous for having almost no snakes, and Alaska belongs in the same small group for the opposite reason. Hawaii is isolated by ocean, and Alaska is isolated by cold and ice. The few snake encounters ever reported in Alaska fall into two buckets. The first is escaped or released pet snakes, which can turn up briefly near towns but cannot survive the winter outdoors. The second is a small number of garter snake reports near the far southern panhandle, close to British Columbia, which have never produced a breeding population. None of this adds up to snakes living in Alaska. See ourstate wildlife pagefor the next step.
Why does Alaska have no snakes?+
Two things keep Alaska snake free, and both come down to geography and temperature. The first is climate. Snakes are ectotherms, which means they rely on outside heat to stay active and to digest food. They also need a frost free place to spend winter, called a hibernaculum, deep enough to stay above freezing. Alaska winters are long and severe, and the ground freezes deep across most of the state, so a snake has nowhere safe to wait out the cold. Even in a warm summer, the active season is too short for snakes to feed, breed, and prepare for another brutal winter. The second is isolation and history. As North America warmed after the last ice age, snakes slowly spread north from warmer regions. They reached parts of Canada, but the cold barrier and the rugged terrain stopped that spread well before Alaska. Snakes never had a land route warm enough to follow, so they simply never arrived. This is the same reason Ireland and New Zealand have no native snakes. The combination of a cold climate and no path in means the door stayed closed.
What looks like a snake in Alaska but is not one?+
Almost every Alaska snake sighting turns out to be something else. Knowing the usual suspects helps you identify what you actually saw. Escaped pet snakes are the one case where it really is a snake. A released garter snake, corn snake, or ball python can show up near a town for a short time. These animals are non native and cannot survive an Alaska winter, so they do not establish. Long, slender, legless animals cause most false alarms. Large earthworms and nightcrawlers come out after rain and can look snake like at a glance. Some people mistake eels or lamprey near water for snakes. Even a long strip of shed bark or a root can fool the eye on a trail. To tell a real snake from a lookalike, check a few things. A snake has dry, scaled skin, not the moist, segmented body of a worm. A snake cannot blink because it has no eyelids, while a lizard can. If the animal is in water and has fins or gills, it is a fish, not a snake. See ourstate animal guidefor the next step.
What should you do if you think you see a snake in Alaska?+
Because a wild snake would be so unusual in Alaska, a real sighting is worth documenting. Take a clear photo from a safe distance and note the exact location and date. Do not handle the animal, even if it looks harmless, since you cannot be sure what it is. Report the sighting to the Alaska Department of Fish and Game. A photo lets biologists confirm whether you saw an escaped pet, a lookalike, or something genuinely unexpected. Reports like this help wildlife managers track non native animals that people release, which matters for protecting Alaska ecosystems. If the animal is clearly a released pet near a home, your report still helps, because abandoned reptiles can carry disease and should not be left outside.
Are snakes dangerous in Alaska?+
No. There are no venomous snakes in Alaska and no established snakes of any kind, so snakes are essentially a non issue for hikers, gardeners, and families across the state. You do not need snake boots, snake gaiters, or any of the precautions that matter in the lower 48. The real Alaska wildlife to respect is much larger. Bears, both brown and black, and moose cause far more concern than any reptile. Moose in particular injure more people in Alaska than most visitors expect. So if you are planning a hike, put your attention on bear safety, food storage, and giving moose plenty of space. Leave the snake worry behind, because in Alaska there is nothing to worry about.
Could climate change ever bring snakes to Alaska?+
Maybe in the very long run, but not in any way you should plan around. Warming temperatures could, in theory, make the southern edge of Alaska slightly more livable for a cold tolerant species like the common garter snake, which already lives in parts of British Columbia not far to the south. There are big barriers, though. Even a milder Alaska still has long, dark winters and a short feeding season, and a snake needs a frost free place to survive the cold months. There is also no easy land route for snakes to migrate in, since rugged terrain and water separate Alaska from established snake populations. The most likely path for any snake to appear is human help, such as an escaped pet or a snake hidden in shipped goods, rather than a natural northward spread. For now and the foreseeable future, the honest answer stands. Alaska has no snakes.
How does snake free Alaska compare to other states?+
Alaska sits at the extreme end of the snake distribution map. Most US states have at least a dozen native snake species, and warm states have far more. Alaska has zero established species, which puts it in rare company. Hawaii is the other famous near snake free state, kept that way by ocean isolation and active efforts to stop the brown tree snake from arriving. Alaska gets there through cold and distance instead. A few northern states like Maine have only a handful of species and no venomous ones, but they still have real, breeding snake populations. Alaska does not. If you are curious about snakes in states where they actually live, oursnake guidecovers identification and species so you can compare what Alaska is missing with what you would find farther south.
Keep exploring
More places to see snake
More wildlife in Alaska
Common questions about snakes