• Indiana Dunes National Lakeshore

    Indiana Dunes

    National Lakeshore Indiana

Contact Us

By Mail

Indiana Dunes National Lakeshore

1100 N. Mineral Springs Road

Porter IN 46304

By E-Mail

By Fax

219-926-7561

By Phone

Visitor Information

219-926-7561 then press

2 - Beach Information

3 - Planning a Visit

4 - Jobs

5 - Law Enforcement

6 - Wildlife & Plants

7 - Superintendent

Receptionist

219 395-1772

Park Tip (law enforcement center)

800 727-5847

Complete Indiana Dunes National Lakeshore Phone List by Division

Did You Know?

a sea of tall grasses and catails in a marsh setting and trees in the background

Cowles Bog is not a true bog but rather a fen because it has an underground water source. This water source has contact with limestone bedrock, making the fen’s water slightly alkaline. Indiana Dunes National Lakeshore is restoring a portion of this fen.