Snakes in Arizona: Identification Guide and Best Places to Start

Yes, Arizona is home to a wide variety of snakes, including venomous rattlesnakes and harmless gopher snakes. The best odds of spotting one are in desert grasslands and rocky canyons from March to October. Start by learning key identification cues and timing.

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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 28, 2026.

Painted Desert Glossy Snake photographed in Arizona

Painted Desert Glossy SnakeBrian Finzel CC BY-SA

Western Black-necked Gartersnake photographed in Arizona

Western Black-necked GartersnakeJared Shorma CC BY

Southwestern Speckled Rattlesnake photographed in Arizona

Southwestern Speckled RattlesnakeMitch Van Dyke CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Rare in ArizonaPeak season right now
8
species recorded
14
GBIF records
August, July, September
peak months

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 Cort茅s 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.

Real sighting data, source iNaturalist

44,169 verified observations on iNaturalist of snake have been recorded in Arizona, most often in August, July, September.

When snake are recorded in Arizona

Yes, Arizona is home to a wide variety of snakes, including venomous rattlesnakes and harmless gopher snakes. The best odds of spotting one are in desert grasslands and rocky canyons from March to October. Start by learning key identification cues and timing.

1. Where are you most likely to spot snakes in Arizona?

Most snakes in Arizona prefer open desert, rocky slopes, and areas near washes. You will often find them basking on roads in the early morning or crossing trails in the late afternoon. For a broader look at Arizona wildlife, check out the/wildlife/arizonapage.

In Arizona, snakes sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. 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.

2. What time of year and weather patterns bring snakes out?

Snakes are most active from March through October. They come out after rain and during mild temperatures. Summer monsoons can trigger a lot of movement. Early mornings and evenings are your best windows for sightings.

Most misses happen when people arrive at the wrong hour or expect nonstop activity. Build around what season or weather patterns help, keep one backup area in mind, and use theanimal facts pageplustour planning ideasto compare what a realistic outing looks like in Arizona. If movement slows, stay longer at one promising spot, listen for calls or watch for edge movement, and reset around weather, light, water, or feeding changes instead of jumping to a totally new area too early.

3. How can you tell a venomous snake from a nonvenomous one in Arizona?

In Arizona, rattlesnakes have a broad triangular head and a rattle on the tail. Gopher snakes, often mistaken for rattlers, have a narrow head and no rattle. Look for the pattern: rattlesnakes usually have diamond or banded patterns. For more details on species, visit the/animals/snakepage.

See ourstate animal guidefor the next step.

A better first outing usually comes from patient observation, quiet movement, and a simple checklist tied to simple ID cues that separate them from lookalikes. If conditions look weak, step back to thestate wildlife hub, review theanimal guide, and reset around the next strong window instead of forcing it. The goal is not a perfect sighting every time, it is building a repeatable local route you can return to with better timing, sharper field marks, and a clearer sense of what success looks like for beginners.

4. What should you do if you encounter a snake on the trail?

If you see a snake, stop and let it move away. Most bites happen when people try to handle or kill snakes. Give it at least six feet of space. Keep your dog on a leash in snake country.

5. Where can you find the best snake spotting locations in Arizona?

Popular spots include Saguaro National Park, Sabino Canyon near Tucson, and the Superstition Mountains. These areas have good trail networks and known snake activity. Always carry water and wear boots.

6. What snake apparel can you add to your field wardrobe?

If you want to celebrate your snake sightings, check out these shirts:

Rattlesnake Graphic T-Shirt

A bold design for rattlesnake fans. Soft cotton and durable print.Check Price and Availability

Green Viper Snake T-Shirt

Vivid viper graphic for herpetology enthusiasts. Comfortable fit.Check Price and Availability

Retro Cute Snake T-Shirt

Playful cartoon snake design. Lightweight and perfect for casual wear.Check Price and Availability

Browse more snake shirts at our/t-shirtspage.

7. What are the most common questions about snakes in Arizona?

**Are there more rattlesnakes in Arizona than other states?** Yes, Arizona has the highest number of rattlesnake species in the US, with 13 types. **What time of day are snakes most active?** They are most active at dawn and dusk during warm months. **How can I identify a baby rattlesnake?** Baby rattlesnakes have a small button rattle and a wider head than nonvenomous snakes. They can still deliver venom.

See ourtour planning ideasfor the next step.

Gear and field guides

Plan your trip

Best time to see snake in Arizona: August, July, September

See the month-by-month sighting calendar.

When to go

Plan your snake sighting in Arizona

14 verified snake records have been logged in Arizona. See the GBIF records.

Where to look in Arizona

Planning a trip to see snake? Find places to stay near Chiricahua National Monument on Booking.com.

Frequently asked questions

What snake species live in Arizona?+

Most snakes in Arizona prefer open desert, rocky slopes, and areas near washes. You will often find them basking on roads in the early morning or crossing trails in the late afternoon. For a broader look at Arizona wildlife, check out the/wildlife/arizonapage. In Arizona, snakes sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. 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.

Where can you see snakes in Arizona?+

Most snakes in Arizona prefer open desert, rocky slopes, and areas near washes. You will often find them basking on roads in the early morning or crossing trails in the late afternoon. For a broader look at Arizona wildlife, check out the/wildlife/arizonapage. In Arizona, snakes sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. 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.

When is the best time to see snakes in Arizona?+

Most snakes in Arizona prefer open desert, rocky slopes, and areas near washes. You will often find them basking on roads in the early morning or crossing trails in the late afternoon. For a broader look at Arizona wildlife, check out the/wildlife/arizonapage. In Arizona, snakes sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. 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.