54 Types of Snakes in Arizona

Arizona is home to over 50 snake species, including 13 rattlesnakes. Most sightings occur in desert grasslands and rocky canyons from March to October. Start by learning key field marks to distinguish venomous species from harmless lookalikes like gopher snakes.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 6, 2026.

Verified species, source iNaturalist

54 types of snakes recorded in Arizona

54 snake species have a verified observation record in Arizona across snakes (suborder Serpentes), each with at least 10 confirmed sightings. The 50 most frequently recorded are shown below.

1 of the 50 shown is recorded as introduced to Arizona rather than native.

  • Western Diamond-backed Rattlesnake (Crotalus atrox), a species recorded in Arizona1

    Western Diamond-backed Rattlesnake

    Crotalus atrox

    10,258 recordsNative

    Juan Cruzado Cortés CC BY-SA

    Wikipedia
  • Gopher Snake (Pituophis catenifer), a species recorded in Arizona2

    Gopher Snake

    Pituophis catenifer

    5,448 recordsNative

    Pinnacles National Park CC BY

    Wikipedia
  • Western Black-tailed Rattlesnake (Crotalus molossus), a species recorded in Arizona3

    Western Black-tailed Rattlesnake

    Crotalus molossus

    2,905 recordsNative

    Brandon Bourassa CC BY

    Wikipedia
  • Mojave Rattlesnake (Crotalus scutulatus), a species recorded in Arizona4

    Mojave Rattlesnake

    Crotalus scutulatus

    2,183 recordsNative

    nmoorhatch CC BY

    Wikipedia
  • Long-nosed Snake (Rhinocheilus lecontei), a species recorded in Arizona5

    Long-nosed Snake

    Rhinocheilus lecontei

    1,847 recordsNative

    Tereka Lasso CC BY-SA

    Wikipedia
  • Common Coachwhip (Masticophis flagellum), a species recorded in Arizona6

    Common Coachwhip

    Masticophis flagellum

    1,604 recordsNative

    Public domain CC0

    Wikipedia
  • California King Snake (Lampropeltis californiae), a species recorded in Arizona7

    California King Snake

    Lampropeltis californiae

    1,386 records
  • Sidewinder (Crotalus cerastes), a species recorded in Arizona8

    Sidewinder

    Crotalus cerastes

    1,191 records

    Mark Pollock CC BY

    Wikipedia
  • Black-necked Garter Snake (Thamnophis cyrtopsis), a species recorded in Arizona9

    Black-necked Garter Snake

    Thamnophis cyrtopsis

    1,169 recordsNative

    Jared Shorma CC BY

    Wikipedia
  • Desert Nightsnake (Hypsiglena chlorophaea), a species recorded in Arizona10

    Desert Nightsnake

    Hypsiglena chlorophaea

    1,035 records

    Alberto Wong CC BY-SA

    Wikipedia
  • Western Terrestrial Garter Snake (Thamnophis elegans), a species recorded in Arizona11

    Western Terrestrial Garter Snake

    Thamnophis elegans

    1,031 records

    Public domain CC0

    Wikipedia
  • Sonoran Whipsnake (Masticophis bilineatus), a species recorded in Arizona12

    Sonoran Whipsnake

    Masticophis bilineatus

    933 recordsNative

    Jake Nitta CC BY

    Wikipedia

Also recorded in Arizona

#SpeciesRecords
13Tiger RattlesnakeCrotalus tigris918
14Western Patch-nosed SnakeSalvadora hexalepis885
15Desert KingsnakeLampropeltis splendida800
16Arizona Black RattlesnakeCrotalus cerberus728
17Rock RattlesnakeNativeCrotalus lepidus709
18Southwestern Speckled RattlesnakeCrotalus pyrrhus705
19Ground SnakeNativeSonora semiannulata597
20Sonoran Lyre SnakeTrimorphodon lambda577
21Sonoran CoralsnakeNativeMicruroides euryxanthus557
22Banded Sand SnakeSonora cincta377
23Chihuahuan Mountain KingsnakeLampropeltis knoblochi370
24Checkered Garter SnakeNativeThamnophis marcianus357
25Arizona Mountain KingsnakeNativeLampropeltis pyromelana345
26Western Glossy SnakeArizona occidentalis344
27Western ThreadsnakeNativeRena humilis339
28Ring-necked SnakeNativeDiadophis punctatus336
29Ridge-nosed RattlesnakeCrotalus willardi324
30Striped WhipsnakeMasticophis taeniatus293
31Prairie RattlesnakeCrotalus viridis254
32Big Bend Patch-nosed SnakeSalvadora deserticola238
33Western RattlesnakeCrotalus oreganus234
34Green Rat SnakeNativeSenticolis triaspis220
35Southwestern Blackhead SnakeNativeTantilla hobartsmithi218
36Twin-spotted RattlesnakeNativeCrotalus pricei199
37Mountain Patch-nosed SnakeNativeSalvadora grahamiae190
38Colorado Desert Shovelnose SnakeNativeSonora annulata146
39Saddled Leafnose SnakePhyllorhynchus browni132
40Mexican Hognose SnakeHeterodon kennerlyi131
41Glossy SnakeArizona elegans127
42Western Leaf-nosed SnakePhyllorhynchus decurtatus121
43Chihuahuan NightsnakeHypsiglena jani98
44Brahminy BlindsnakeIntroducedIndotyphlops braminus68
45Coastal Rosy BoaLichanura orcutti60
46Yaqui Black-headed SnakeNativeTantilla yaquia59
47Desert Rosy BoaLichanura trivirgata57
48Thornscrub Vine SnakeOxybelis microphthalmus54
49Narrowhead Garter SnakeThamnophis rufipunctatus50
50Plains Black-headed SnakeNativeTantilla nigriceps39

Plus 4 more established snakes species beyond the top 50. And 6 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.

Arizona is home to over 50 snake species, including 13 rattlesnakes. Most sightings occur in desert grasslands and rocky canyons from March to October. Start by learning key field marks to distinguish venomous species from harmless lookalikes like gopher snakes.

What are the most common types of snakes in Arizona?

The most frequently encountered snakes in Arizona include the Western Diamondback Rattlesnake, Mojave Rattlesnake, Gopher Snake, Sonoran Gopher Snake, Coachwhip, and Kingsnake. The Western Diamondback is the most widespread rattlesnake, recognized by its diamond-shaped blotches and black-and-white tail bands. Gopher snakes are often mistaken for rattlesnakes but lack rattles and have a more slender head. Kingsnakes are nonvenomous and known for eating other snakes.

In Arizona, 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.

How can you identify venomous snakes in Arizona?

Arizona's venomous snakes are all pit vipers (rattlesnakes) except for the Sonoran Coral Snake. Key identification features for rattlesnakes include a broad triangular head, a heat-sensing pit between the eye and nostril, and a rattle at the tail. The Sonoran Coral Snake has red, black, and yellow bands (red touching yellow) and a black snout. Nonvenomous lookalikes like the Sonoran Mountain Kingsnake have red bands touching black instead.

Where in Arizona are you most likely to see snakes?

Snakes are most often noticed in the Sonoran Desert near Tucson and Phoenix, along the Mogollon Rim, and in rocky canyons like Oak Creek Canyon. They prefer areas with cover such as rock piles, brush, and abandoned rodent burrows. Early morning and late afternoon are prime times for sightings, especially on warm days after a monsoon rain. Check ourArizona wildlife pagefor more local hotspots.

See ourstate animal guidefor the next step.

What is the best season for snake sightings in Arizona?

The active season runs from March through October, with peak sightings in April-May and July-September (monsoon). During the hottest part of the day, snakes seek shade and are less active. Spring and fall offer the best odds for encountering snakes without extreme heat. Winter months (December to February) see very few surface sightings as most species brumate.

How do you distinguish a Gopher Snake from a Rattlesnake?

Gopher snakes are the most common rattlesnake mimic in Arizona. They flatten their heads, hiss loudly, and vibrate their tails in dry leaves to sound like a rattle. Key differences: gopher snakes have round pupils (rattlesnakes have vertical slits), a narrow head, and no heat pits. Their tail ends in a point without a rattle. Start with a look at oursnake identification hubfor side-by-side comparisons.

Plan Your Snake Watching Trip

If you're heading out to spot snakes in Arizona, timing and location are key. Use the travel widget below to find routes and accommodations near top snake habitats.

Show your snake pride with Arizona snake apparel

Once you've identified your first Arizona snake, commemorate the experience with a shirt that matches your favorite species. We've picked a few options from ourt-shirt collection.

Rattlesnake Graphic T-Shirt

A bold design featuring a Western Diamondback pattern, perfect for field herpers.Check Price and Availability

Green Viper Snake T-Shirt

Captures the striking green hues of the Mojave Rattlesnake in a subtle print.Check Price and Availability

Retro Cute Snake T-Shirt

A fun, less intimidating option for casual wear, featuring a stylized gopher snake.Check Price and Availability

Frequently Asked Questions about Arizona Snakes

**Are there water moccasins in Arizona?** No, water moccasins (cottonmouths) do not occur in Arizona. The only venomous semi-aquatic snakes are the Northern and Southern Blacktail Rattlesnakes, which are rarely found near water.

**What is the most dangerous snake in Arizona?** The Mojave Rattlesnake has the most potent venom, but the Western Diamondback causes the most bites due to its abundance.

**Can I keep a wild snake as a pet?** In Arizona, it is illegal to collect most native snakes without a permit. Check local regulations before attempting to handle any snake.

**Do snakes chase people?** No, snakes do not chase people. They may advance defensively if cornered, but their primary goal is escape.

See ourtour planning ideasfor the next step.

Gear and field guides

Frequently asked questions

What are the most common types of snakes in Arizona?+

The most frequently encountered snakes in Arizona include the Western Diamondback Rattlesnake, Mojave Rattlesnake, Gopher Snake, Sonoran Gopher Snake, Coachwhip, and Kingsnake. The Western Diamondback is the most widespread rattlesnake, recognized by its diamond-shaped blotches and black-and-white tail bands. Gopher snakes are often mistaken for rattlesnakes but lack rattles and have a more slender head. Kingsnakes are nonvenomous and known for eating other snakes. In Arizona, 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.

How can you identify venomous snakes in Arizona?+

Arizona's venomous snakes are all pit vipers (rattlesnakes) except for the Sonoran Coral Snake. Key identification features for rattlesnakes include a broad triangular head, a heat-sensing pit between the eye and nostril, and a rattle at the tail. The Sonoran Coral Snake has red, black, and yellow bands (red touching yellow) and a black snout. Nonvenomous lookalikes like the Sonoran Mountain Kingsnake have red bands touching black instead.

Where in Arizona are you most likely to see snakes?+

Snakes are most often noticed in the Sonoran Desert near Tucson and Phoenix, along the Mogollon Rim, and in rocky canyons like Oak Creek Canyon. They prefer areas with cover such as rock piles, brush, and abandoned rodent burrows. Early morning and late afternoon are prime times for sightings, especially on warm days after a monsoon rain. Check ourArizona wildlife pagefor more local hotspots. See ourstate animal guidefor the next step.

What is the best season for snake sightings in Arizona?+

The active season runs from March through October, with peak sightings in April-May and July-September (monsoon). During the hottest part of the day, snakes seek shade and are less active. Spring and fall offer the best odds for encountering snakes without extreme heat. Winter months (December to February) see very few surface sightings as most species brumate.

How do you distinguish a Gopher Snake from a Rattlesnake?+

Gopher snakes are the most common rattlesnake mimic in Arizona. They flatten their heads, hiss loudly, and vibrate their tails in dry leaves to sound like a rattle. Key differences: gopher snakes have round pupils (rattlesnakes have vertical slits), a narrow head, and no heat pits. Their tail ends in a point without a rattle. Start with a look at oursnake identification hubfor side-by-side comparisons.