25 Types of Snakes in Indiana

Indiana is home to over 30 snake species, but only four are venomous. Most snakes you encounter are harmless and beneficial. Start your identification by focusing on head shape, scale texture, and color patterns. This guide covers the most common types and where to find them.

T

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

5
species recorded
May, April, June
peak months

Verified species, source iNaturalist

25 types of snakes recorded in Indiana

25 snake species have a verified observation record in Indiana across snakes (suborder Serpentes), each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.

  • Common Watersnake (Nerodia sipedon), a species recorded in Indiana1

    Common Watersnake

    Nerodia sipedon

    2,142 records

    Alie / C.A. Kratzer CC BY-SA

    Wikipedia
  • Common Garter Snake (Thamnophis sirtalis), a species recorded in Indiana2

    Common Garter Snake

    Thamnophis sirtalis

    1,953 records

    kclarksdnhmorg CC BY

    Wikipedia
  • Central Ratsnake (Pantherophis alleghaniensis), a species recorded in Indiana3

    Central Ratsnake

    Pantherophis alleghaniensis

    1,494 records

    Katja Schulz CC BY

    Wikipedia
  • DeKay's Brownsnake (Storeria dekayi), a species recorded in Indiana4

    DeKay's Brownsnake

    Storeria dekayi

    1,362 records

    Public domain CC0

    Wikipedia
  • Ring-necked Snake (Diadophis punctatus), a species recorded in Indiana5

    Ring-necked Snake

    Diadophis punctatus

    569 records

    Public domain CC0

    Wikipedia
  • North American Racer (Coluber constrictor), a species recorded in Indiana6

    North American Racer

    Coluber constrictor

    485 records

    Peter Brastow CC BY

    Wikipedia
  • Eastern Milksnake (Lampropeltis triangulum), a species recorded in Indiana7

    Eastern Milksnake

    Lampropeltis triangulum

    475 records

    Matt Berger CC BY

    Wikipedia
  • Eastern Hognose Snake (Heterodon platirhinos), a species recorded in Indiana8

    Eastern Hognose Snake

    Heterodon platirhinos

    285 records

    Sam Kieschnick CC BY

    Wikipedia
  • Queensnake (Regina septemvittata), a species recorded in Indiana9

    Queensnake

    Regina septemvittata

    228 records

    Jared Shorma CC BY

    Wikipedia
  • Black Kingsnake (Lampropeltis nigra), a species recorded in Indiana10

    Black Kingsnake

    Lampropeltis nigra

    200 records

    Robert Harris CC BY

    Wikipedia
  • Common Wormsnake (Carphophis amoenus), a species recorded in Indiana11

    Common Wormsnake

    Carphophis amoenus

    195 records

    Alex Stach CC BY

    Wikipedia
  • Rough Greensnake (Opheodrys aestivus), a species recorded in Indiana12

    Rough Greensnake

    Opheodrys aestivus

    193 records

    Joseph McPhail CC BY

    Wikipedia

Also recorded in Indiana

#SpeciesRecords
13Eastern CopperheadAgkistrodon contortrix134
14Gopher SnakePituophis catenifer101
15Timber RattlesnakeCrotalus horridus91
16Common Ribbon SnakeThamnophis saurita89
17Kirtland's SnakeClonophis kirtlandii87
18Red-bellied SnakeStoreria occipitomaculata83
19Smooth EarthsnakeVirginia valeriae82
20Eastern FoxsnakePantherophis vulpinus81
21Plain-bellied WatersnakeNerodia erythrogaster68
22Smooth GreensnakeOpheodrys vernalis30
23Western Ribbon SnakeThamnophis proximus21
24Prairie KingsnakeLampropeltis calligaster20
25Plains Garter SnakeThamnophis radix18

Plus 5 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

12,561 verified observations on iNaturalist of snake have been recorded in Indiana, most often in May, April, June.

Indiana is home to over 30 snake species, but only four are venomous. Most snakes you encounter are harmless and beneficial. Start your identification by focusing on head shape, scale texture, and color patterns. This guide covers the most common types and where to find them.

1. What are the most common snakes found in Indiana?

The most frequently seen snakes in Indiana include the Eastern Garter Snake, Northern Water Snake, and Eastern Rat Snake. Garter snakes are often found in gardens and near water. Rat snakes are excellent climbers and may be spotted in barns or trees. For a full list, visit theIndiana snake species hub.

In Indiana, 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.

2. How can you tell a venomous snake from a non venomous one in Indiana?

Key identification markers: venomous snakes in Indiana (like the Timber Rattlesnake and Copperhead) have a triangular or arrow shaped head, vertical eye pupils (like a cat), and a single row of scales on the underside of the tail. Non venomous snakes usually have a rounded head, round pupils, and a double row of scales under the tail. Always observe from a safe distance.

3. Where in Indiana are you most likely to encounter snakes?

Snakes are most often noticed in southern Indiana's forested areas and along the Ohio River. The Hoosier National Forest and Brown County State Park have high snake diversity. Near water sources like lakes, streams, and wetlands you will find Northern Water Snakes and Garter Snakes. Open fields and meadows attract Eastern Fox Snakes and Prairie Kingsnakes. Check out theIndiana wildlife pagefor more habitat details.

See ourstate animal guidefor the next step.

4. What is the best season for snake spotting in Indiana?

Spring (April to early June) is the best time for snake sightings as they emerge from hibernation and bask in the sun. Early morning and late afternoon are peak activity times. Fall (September to October) also sees increased movement as snakes prepare for winter. Summer can be good but snakes are more active at dawn and dusk to avoid heat.

5. How do you identify the four venomous snakes in Indiana?

Indiana's venomous snakes are the Timber Rattlesnake, Massasauga Rattlesnake, Copperhead, and Cottonmouth (though Cottonmouths are extremely rare in Indiana). Timber Rattlers have a distinct rattle and dark chevron patterns. Copperheads have hourglass shaped crossbands. Massasaugas are smaller with a series of dark blotches. All have heat sensing pits between eye and nostril. Compare withother venomous snakesfor more detail.

6. What lookalike snake pairs cause confusion in Indiana?

The Northern Water Snake is often mistaken for the venomous Cottonmouth. Water snakes have banded patterns but their heads are not distinctly wider than the neck. Another common confusion: the Eastern Hognose Snake flattens its head like a cobra when threatened, leading people to think it's venomous. Hognoses are actually harmless and rarely bite. For more on lookalikes, see oursnake encounters guide.

7. What should you do if you encounter a snake in Indiana?

Most snakes will flee if given space. Stay still and let it move away. Do not attempt to handle or kill the snake. If it's in your yard, a gentle spray from a garden hose usually encourages it to leave. For persistent snakes, contact a wildlife removal service. Remember, snakes play a vital role in controlling rodent populations.

8. Plan your snake spotting trip in Indiana

Use this tool to find snake viewing areas and lodging near Indiana state parks.

9. Show your snake spotting pride with Easy Street Markets gear

After a day of herping in Indiana, wear your interest on your sleeve. Browse oursnake t shirtscollection.

Rattlesnake Graphic T-Shirt

This shirt features a detailed rattlesnake graphic perfect for sharing your herping stories.Check Price and Availability

Green Viper Snake T-Shirt

A vibrant viper design that stands out on the trail or at a cookout.Check Price and Availability

See ourtour planning ideasfor the next step.

Retro Cute Snake T-Shirt

A strong match for this wildlife page and an easy next click after the guide.Check Price and Availability

Gear and field guides

Frequently asked questions

1. What are the most common snakes found in Indiana?+

The most frequently seen snakes in Indiana include the Eastern Garter Snake, Northern Water Snake, and Eastern Rat Snake. Garter snakes are often found in gardens and near water. Rat snakes are excellent climbers and may be spotted in barns or trees. For a full list, visit theIndiana snake species hub. In Indiana, 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.

2. How can you tell a venomous snake from a non venomous one in Indiana?+

Key identification markers: venomous snakes in Indiana (like the Timber Rattlesnake and Copperhead) have a triangular or arrow shaped head, vertical eye pupils (like a cat), and a single row of scales on the underside of the tail. Non venomous snakes usually have a rounded head, round pupils, and a double row of scales under the tail. Always observe from a safe distance.

3. Where in Indiana are you most likely to encounter snakes?+

Snakes are most often noticed in southern Indiana's forested areas and along the Ohio River. The Hoosier National Forest and Brown County State Park have high snake diversity. Near water sources like lakes, streams, and wetlands you will find Northern Water Snakes and Garter Snakes. Open fields and meadows attract Eastern Fox Snakes and Prairie Kingsnakes. Check out theIndiana wildlife pagefor more habitat details. See ourstate animal guidefor the next step.

4. What is the best season for snake spotting in Indiana?+

Spring (April to early June) is the best time for snake sightings as they emerge from hibernation and bask in the sun. Early morning and late afternoon are peak activity times. Fall (September to October) also sees increased movement as snakes prepare for winter. Summer can be good but snakes are more active at dawn and dusk to avoid heat.

5. How do you identify the four venomous snakes in Indiana?+

Indiana's venomous snakes are the Timber Rattlesnake, Massasauga Rattlesnake, Copperhead, and Cottonmouth (though Cottonmouths are extremely rare in Indiana). Timber Rattlers have a distinct rattle and dark chevron patterns. Copperheads have hourglass shaped crossbands. Massasaugas are smaller with a series of dark blotches. All have heat sensing pits between eye and nostril. Compare withother venomous snakesfor more detail.

6. What lookalike snake pairs cause confusion in Indiana?+

The Northern Water Snake is often mistaken for the venomous Cottonmouth. Water snakes have banded patterns but their heads are not distinctly wider than the neck. Another common confusion: the Eastern Hognose Snake flattens its head like a cobra when threatened, leading people to think it's venomous. Hognoses are actually harmless and rarely bite. For more on lookalikes, see oursnake encounters guide.

7. What should you do if you encounter a snake in Indiana?+

Most snakes will flee if given space. Stay still and let it move away. Do not attempt to handle or kill the snake. If it's in your yard, a gentle spray from a garden hose usually encourages it to leave. For persistent snakes, contact a wildlife removal service. Remember, snakes play a vital role in controlling rodent populations.