Public access hours for visitors are from 8:00 a.m. to 4:00 p.m. (Central Time), Monday through Friday. EROS is closed on Federal holidays and weekends.
- One-hour guided tours are available Monday through Friday at 10:00 a.m. and 2:00 p.m.
- Self-guided tours are available Monday through Friday from 8:00 a.m. to 4:00 p.m.
- Group tours can be scheduled by contacting us at:
Learn how EROS began, what we do, and why it matters to you. View a large format camera that was actually in space, a half-scale model of the Landsat 7 satellite, and satellite imagery from around the world. Peek into the computer room as staff monitors the equipment and tools that support EROS' partnership with NASA. Find out why this data center surrounded by a cornfield is the best kept secret in South Dakota.
South Dakota Interstate 90:
NOTE: TEMPORARY WEIGHT LIMITS are in place for the bridges 2 miles south of EROS on County Road 121. If your Gross Vehicle Weight is more than 3 tons use the alternate route (which include some gravel roads) indicated by blue dotted lines on the map.
- Take exit 402, go North on Minnehaha County Road 121 (478th Ave) 9 miles to 252nd Street.
- Turn right (East) on 252nd Street and go 1 mile into EROS. (Solid blue line on map.)
- Take exit 402, go North on Minnehaha County Road 121 (478th Ave) 7 miles to 254th Street.
- Turn right (East) on 254th Street and go 1 mile to 479th Ave (gravel road).
- Turn left (North) on 479th Ave and go 2 miles to 252nd Street.
- Turn right (East) on 252nd Street into EROS. (Dotted blue line on map.)
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South Dakota Interstate 29
- Take exit 94, go East through Baltic.
- Continue east to County Road 121 (478th Ave).
- Turn right (South) onto County Road 121 (478th Ave) and go 2 miles to 252nd Street.
- Turn left (East) on 252nd Street into EROS. (Orange line on map.)
click to enlarge image
All public visitors’ vehicles and persons will need to be screened prior to being allowed access onto Federal property. Visitors age 16 or older will be required to present valid government-issued photo identification (federal, state, or local) for example, driver's license or passport, or be accompanied by an adult (parent, sponsor or guardian) that can verify identities. All public visitors driving a vehicle must have a valid drivers license to be able to drive on property. All visitors are required to check in at the main facility and process through security check point. Only bring in items that are necessary. Cameras and video recorders are allowed inside the facility with some restrictions. Taking pictures outside the Center is not authorized without permission. Animals are not allowed on Federal property unless they are documented working animals with a valid license and or certification to do so.