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.
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 路 Brian Finzel CC BY-SA

Western Black-necked Gartersnake 路 Jared Shorma CC BY

Southwestern Speckled Rattlesnake 路 Mitch Van Dyke CC BY
- 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.
Also recorded in Arizona
| # | Species | Scientific name | Records |
|---|---|---|---|
| 13 | Tiger RattlesnakeCrotalus tigris | Crotalus tigris | 918 |
| 14 | Western Patch-nosed SnakeSalvadora hexalepis | Salvadora hexalepis | 885 |
| 15 | Desert KingsnakeLampropeltis splendida | Lampropeltis splendida | 800 |
| 16 | Arizona Black RattlesnakeCrotalus cerberus | Crotalus cerberus | 728 |
| 17 | Rock RattlesnakeNativeCrotalus lepidus | Crotalus lepidus | 709 |
| 18 | Southwestern Speckled RattlesnakeCrotalus pyrrhus | Crotalus pyrrhus | 705 |
| 19 | Ground SnakeNativeSonora semiannulata | Sonora semiannulata | 597 |
| 20 | Sonoran Lyre SnakeTrimorphodon lambda | Trimorphodon lambda | 577 |
| 21 | Sonoran CoralsnakeNativeMicruroides euryxanthus | Micruroides euryxanthus | 557 |
| 22 | Banded Sand SnakeSonora cincta | Sonora cincta | 377 |
| 23 | Chihuahuan Mountain KingsnakeLampropeltis knoblochi | Lampropeltis knoblochi | 370 |
| 24 | Checkered Garter SnakeNativeThamnophis marcianus | Thamnophis marcianus | 357 |
| 25 | Arizona Mountain KingsnakeNativeLampropeltis pyromelana | Lampropeltis pyromelana | 345 |
| 26 | Western Glossy SnakeArizona occidentalis | Arizona occidentalis | 344 |
| 27 | Western ThreadsnakeNativeRena humilis | Rena humilis | 339 |
| 28 | Ring-necked SnakeNativeDiadophis punctatus | Diadophis punctatus | 336 |
| 29 | Ridge-nosed RattlesnakeCrotalus willardi | Crotalus willardi | 324 |
| 30 | Striped WhipsnakeMasticophis taeniatus | Masticophis taeniatus | 293 |
| 31 | Prairie RattlesnakeCrotalus viridis | Crotalus viridis | 254 |
| 32 | Big Bend Patch-nosed SnakeSalvadora deserticola | Salvadora deserticola | 238 |
| 33 | Western RattlesnakeCrotalus oreganus | Crotalus oreganus | 234 |
| 34 | Green Rat SnakeNativeSenticolis triaspis | Senticolis triaspis | 220 |
| 35 | Southwestern Blackhead SnakeNativeTantilla hobartsmithi | Tantilla hobartsmithi | 218 |
| 36 | Twin-spotted RattlesnakeNativeCrotalus pricei | Crotalus pricei | 199 |
| 37 | Mountain Patch-nosed SnakeNativeSalvadora grahamiae | Salvadora grahamiae | 190 |
| 38 | Colorado Desert Shovelnose SnakeNativeSonora annulata | Sonora annulata | 146 |
| 39 | Saddled Leafnose SnakePhyllorhynchus browni | Phyllorhynchus browni | 132 |
| 40 | Mexican Hognose SnakeHeterodon kennerlyi | Heterodon kennerlyi | 131 |
| 41 | Glossy SnakeArizona elegans | Arizona elegans | 127 |
| 42 | Western Leaf-nosed SnakePhyllorhynchus decurtatus | Phyllorhynchus decurtatus | 121 |
| 43 | Chihuahuan NightsnakeHypsiglena jani | Hypsiglena jani | 98 |
| 44 | Brahminy BlindsnakeIntroducedIndotyphlops braminus | Indotyphlops braminus | 68 |
| 45 | Coastal Rosy BoaLichanura orcutti | Lichanura orcutti | 60 |
| 46 | Yaqui Black-headed SnakeNativeTantilla yaquia | Tantilla yaquia | 59 |
| 47 | Desert Rosy BoaLichanura trivirgata | Lichanura trivirgata | 57 |
| 48 | Thornscrub Vine SnakeOxybelis microphthalmus | Oxybelis microphthalmus | 54 |
| 49 | Narrowhead Garter SnakeThamnophis rufipunctatus | Thamnophis rufipunctatus | 50 |
| 50 | Plains Black-headed SnakeNativeTantilla nigriceps | Tantilla nigriceps | 39 |
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.
Plan your snake sighting in Arizona
14 verified snake records have been logged in Arizona. See the GBIF records.
Where to look in Arizona
- Chiricahua National Monument 路 Wildlife Watching, Birdwatching 路 Find hotels
- Coronado National Memorial 路 Wildlife Watching, Birdwatching 路 Find hotels
- Fort Bowie National Historic Site 路 Wildlife Watching, Birdwatching 路 Find hotels
- Grand Canyon National Park 路 Wildlife Watching, Birdwatching 路 Find hotels
- Lake Mead National Recreation Area 路 Wildlife Watching 路 Find hotels
- Montezuma Castle National Monument 路 Wildlife Watching, Birdwatching 路 Find hotels
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.
Keep exploring
More places to see snake
More wildlife in Arizona









