16 Types of Snakes in Oregon
There are roughly 15 native snake species in Oregon, and only one of them, the Western Rattlesnake, is venomous. Everything else you are likely to meet is harmless, including garter snakes, the gopher snake (also called a bull snake), the racer, the rubber boa, and kingsnakes. The rattlesnake sticks to dry, rocky country east of the Cascades and parts of southwest Oregon, while the harmless species spread across wet prairies, forests, and high desert statewide. This guide sorts the types by what they look like, where they live, and how to separate the one venomous snake from the many lookalikes that copy its behavior. Start with the gopher snake versus rattlesnake comparison below, since that is the mix-up that causes the most needless worry on Oregon trails.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 25, 2026.
- 5
- species recorded
- May, June, April
- peak months
Verified species, source iNaturalist
16 types of snakes recorded in Oregon
16 snake species have a verified observation record in Oregon across snakes (suborder Serpentes), each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.
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Also recorded in Oregon
| # | Species | Scientific name | Records |
|---|---|---|---|
| 13 | California Mountain KingsnakeNativeLampropeltis zonata | Lampropeltis zonata | 76 |
| 14 | Desert NightsnakeNativeHypsiglena chlorophaea | Hypsiglena chlorophaea | 44 |
| 15 | Ground SnakeNativeSonora semiannulata | Sonora semiannulata | 11 |
| 16 | Forest Sharp-tailed SnakeNativeContia longicauda | Contia longicauda | 10 |
Plus 3 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations. Photos by iNaturalist observers, reused under the licence each observer chose.
Real sighting data, source iNaturalist
33,673 verified observations on iNaturalist of snake have been recorded in Oregon, most often in May, June, April.
There are roughly 15 native snake species in Oregon, and only one of them, the Western Rattlesnake, is venomous. Everything else you are likely to meet is harmless, including garter snakes, the gopher snake (also called a bull snake), the racer, the rubber boa, and kingsnakes. The rattlesnake sticks to dry, rocky country east of the Cascades and parts of southwest Oregon, while the harmless species spread across wet prairies, forests, and high desert statewide. This guide sorts the types by what they look like, where they live, and how to separate the one venomous snake from the many lookalikes that copy its behavior. Start with the gopher snake versus rattlesnake comparison below, since that is the mix-up that causes the most needless worry on Oregon trails.
1. What are the most common types of snakes in Oregon?
The common garter snake, gopher snake, and Northwestern garter snake are widespread across Oregon. The gopher snake is often mistaken for a rattlesnake due to its blotches and defensive tail vibration. The rubber boa is another species, found in cooler, moist forests. For a full list, check ouranimals/snakepage.
In Oregon, snakes sightings usually improve when you slow down and match your first stop to the most useful ID markers and likely lookalikes. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.
If you want a quick mental map, group Oregon snakes into four buckets. Garter snakes are the slim, striped snakes near water and damp meadows. The gopher snake is the big, blotched mimic of dry ground. The rubber boa and the smaller secretive snakes, like the ring-necked snake and sharp-tailed snake, hide under bark and logs in moist forest. The Western Rattlesnake is the single venomous type, and it stays in warm, rocky country. Once you sort a snake into one of those four groups, identification gets much faster.
2. How do you tell a gopher snake from a rattlesnake?
Gopher snakes have a pointed tail and lack a rattle. Their blotches are darker and more distinct, and they have a narrower head. Rattlesnakes have a triangular head, vertical pupils, and a rattle at the tail tip. Gopher snakes often mimic rattlesnakes by flattening their heads and vibrating their tails, but they are harmless.
The quickest honest check is the tail. A gopher snake tapers to a thin point and may rattle dry grass to fake the sound, while a rattlesnake ends in stacked, blunt segments. Gopher snakes also tend to be longer and more slender, with round pupils you can sometimes see from a safe distance, and a head that is barely wider than the neck. When in doubt, give any snake room and let it move off. You never need to handle a snake to identify it, and treating every blotched snake as a rattlesnake from a few feet back is a fine, safe habit.
3. Where in Oregon do you usually see snakes first?
Snakes are most often spotted in the eastern Oregon high desert and along the Columbia River Gorge. In western Oregon, look in open meadows, rocky slopes, and near water sources. The Willamette Valley's wet prairies are good for garter snakes. For more state-wide tips, see ourwildlife/oregonguide.
See ourstate animal guidefor the next step.
4. What is the best season for snake sightings in Oregon?
Spring (April to June) is prime time as snakes emerge to bask and mate. Early mornings and late afternoons provide the best activity. In summer, they avoid midday heat, so twilight hours are best. Fall sightings are possible but less reliable as they prepare for brumation.
5. Which snakes in Oregon are venomous?
Only the Western Rattlesnake (Northern Pacific subspecies) is venomous in Oregon. It has a triangular head, heat-sensing pits, and a rattle. It lives in dry, rocky areas below 5,000 feet elevation, primarily east of the Cascades and in the Siskiyou Mountains. Bites are rare and usually defensive.
Every other Oregon snake is harmless to people. The night snake has mild rear-fanged venom that it uses on small lizards, but it cannot meaningfully harm a human and is rarely seen. So the practical rule is simple. One type, the rattlesnake, deserves space and respect. The garter snakes, gopher snake, racer, rubber boa, kingsnakes, and the small forest snakes pose no danger and do real good by eating rodents, slugs, and insects.
6. How do you identify a rubber boa?
Rubber boas are small, uniformly tan or brown, with a blunt tail that looks like a second head. They have tiny eyes and smooth, loose skin. They are found in moist forests and are completely harmless. Unlike boas elsewhere, they give birth to live young.
7. What should you do if you encounter a rattlesnake?
Stop moving and back away slowly. Give the snake at least five feet of space. Do not try to kill or provoke it. Most bites happen when people step on or try to move a snake. Keep dogs on a leash in snake-prone areas. If bitten, stay calm and seek medical help immediately.
8. What harmless snake types live in Oregon besides garter snakes?
Garter snakes get most of the attention, but Oregon has a wider cast of harmless types worth knowing. The gopher snake, also called a bull snake, is the large blotched snake of dry valleys and high desert, and it is the rattlesnake mimic people most often misjudge. The racer is a fast, slender snake, usually plain olive or brown above and pale below, that bolts when approached rather than coiling. Kingsnakes turn up in southwest Oregon, including the banded California mountain kingsnake with its red, black, and white rings, and they are famous for eating other snakes, even small rattlesnakes.
The smaller, secretive types are easy to miss. The ring-necked snake is a slim dark snake with a bright yellow or orange neck band and belly that it flashes when disturbed. The sharp-tailed snake is tiny, brick colored, and feeds mostly on slugs in damp forest. In the dry southeast, the striped whipsnake adds bold lengthwise stripes. None of these are venomous, and all of them help control pests. Treat the variety as a feature of Oregon, since this range of types is exactly why the state is a good place to practice snake identification.
9. How are garter snake types different from each other in Oregon?
Oregon has three garter snake types, and learning them covers a large share of the snakes you will actually see. The common garter snake is the most widespread, usually dark with a clear yellow stripe down the back and a stripe along each side, and it is at home near ponds, ditches, and slow streams. The Northwestern garter snake is smaller and more variable in color, from greenish to reddish to nearly black, and it favors damp meadows and forest edges west of the Cascades. The western terrestrial garter snake often shows a checkered pattern between its stripes and ranges widely, including drier country in the east.
All garter snakes are harmless. They may release a musky smell or flatten the body when handled, but they do not pose a real threat. The stripes are the giveaway. A slim snake with crisp lengthwise stripes near water is almost always a garter snake and not a young rattlesnake, which never shows clean stripes and always ends in a button or rattle. For more on individual species, see ouranimals/snakeoverview.
10. Where can you find snake-themed shirts and gear?
Rattlesnake Graphic T-Shirt
This tee features a detailed rattlesnake print, great for showing off your interest in Oregon's only venomous snake. Durable fabric holds up to field use.Check Price and Availability
Green Viper Snake T-Shirt
A vivid green viper design that stands out. While green vipers don't live in Oregon, the shirt captures the exotic side of snake appreciation.Check Price and Availability
Retro Cute Snake T-Shirt
A playful retro graphic that softens the reputation of snakes. Perfect for casual outings or introducing kids to snake identification.Check Price and Availability
See ourCompare wildlife shirtsfor the next step.
11. Frequently asked questions about snakes in Oregon
**Are there any venomous snakes in Oregon besides rattlesnakes?** No, the Western Rattlesnake is the only venomous species.
**How many types of snakes live in Oregon?** Oregon has about 15 native snake species, including garter snakes, the gopher snake, the racer, the rubber boa, kingsnakes, and one venomous type, the rattlesnake.
**Do snake populations vary by region?** Yes, eastern Oregon has more rattlesnakes and gopher snakes, while western Oregon has more garter snakes and rubber boas.
**What should I do if I see a snake in my yard?** Leave it alone or call a professional relocator. Most snakes are beneficial for controlling rodents.
**When do snakes hibernate in Oregon?** They brumate from November to March, often in communal dens. Activity picks up in April.
See ourtour planning ideasfor the next step.
Gear and field guides
Frequently asked questions
What types of snakes live in Oregon?+
The common garter snake, gopher snake, and Northwestern garter snake are widespread across Oregon. The gopher snake is often mistaken for a rattlesnake due to its blotches and defensive tail vibration. The rubber boa is another species, found in cooler, moist forests. For a full list, check ouranimals/snakepage. In Oregon, snakes sightings usually improve when you slow down and match your first stop to the most useful ID markers and likely lookalikes. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover. If you want a quick mental map, group Oregon snakes into four buckets. Garter snakes are the slim, striped snakes near water and damp meadows. The gopher snake is the big, blotched mimic of dry ground. The rubber boa and the smaller secretive snakes, like the ring-necked snake and sharp-tailed snake, hide under bark and logs in moist forest. The Western Rattlesnake is the single venomous type, and it stays in warm, rocky country. Once you sort a snake into one of those four groups, identification gets much faster.
How do you tell snakes apart in Oregon?+
The common garter snake, gopher snake, and Northwestern garter snake are widespread across Oregon. The gopher snake is often mistaken for a rattlesnake due to its blotches and defensive tail vibration. The rubber boa is another species, found in cooler, moist forests. For a full list, check ouranimals/snakepage. In Oregon, snakes sightings usually improve when you slow down and match your first stop to the most useful ID markers and likely lookalikes. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover. If you want a quick mental map, group Oregon snakes into four buckets. Garter snakes are the slim, striped snakes near water and damp meadows. The gopher snake is the big, blotched mimic of dry ground. The rubber boa and the smaller secretive snakes, like the ring-necked snake and sharp-tailed snake, hide under bark and logs in moist forest. The Western Rattlesnake is the single venomous type, and it stays in warm, rocky country. Once you sort a snake into one of those four groups, identification gets much faster.
Which snake is most common in Oregon?+
The common garter snake, gopher snake, and Northwestern garter snake are widespread across Oregon. The gopher snake is often mistaken for a rattlesnake due to its blotches and defensive tail vibration. The rubber boa is another species, found in cooler, moist forests. For a full list, check ouranimals/snakepage. In Oregon, snakes sightings usually improve when you slow down and match your first stop to the most useful ID markers and likely lookalikes. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover. If you want a quick mental map, group Oregon snakes into four buckets. Garter snakes are the slim, striped snakes near water and damp meadows. The gopher snake is the big, blotched mimic of dry ground. The rubber boa and the smaller secretive snakes, like the ring-necked snake and sharp-tailed snake, hide under bark and logs in moist forest. The Western Rattlesnake is the single venomous type, and it stays in warm, rocky country. Once you sort a snake into one of those four groups, identification gets much faster.
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