Whetstone Valley Rest Area – I-29

I-29 travelers near Wilmot in Roberts County, South Dakota, can pull in at Whetstone Valley Rest Area. It is listed as accessible from both directions of travel. Reported truck parking: 6 spaces.

I-29South DakotaBoth directions

Next rest stops on I-29

Driving northboundLake Agassiz Rest Area – Northboundabout 45 mi ahead (estimated) · North Dakota · Mile marker 3Driving southboundHidewood Rest Area – Southbound53 mi ahead by the mile markers · South Dakota · Mile marker 160

Location map

Marker shows recorded coordinates, not an entrance or approved driving route. Follow highway signs.

Open directions

Reported parking capacity

Truck parking6Reported spaces

Reported capacity from the 2019 federal truck parking survey (FHWA Jason's Law). This is not real-time vacancy information.

Facilities and amenities

✓ Restrooms✓ Public phone✓ Wi-Fi✓ Visitor information

Unknown (not documented in the sources): Family restroom, Accessible facilities, Drinking water, Picnic tables, Pet area, Vending machines, RV dump station, EV charging.

A reported facility does not guarantee current availability.

About this rest area

The Whetstone Valley Rest Area serves both directions of Interstate 29 traffic near Wilmot, South Dakota. Before you count on this stop, a quick check of 511 or the South Dakota Department of Transportation shows any closure.

Location and driving direction

Traffic in both directions of I-29 can use this rest area near Wilmot in Roberts County. The recorded position is around mile marker 213. It is right by exit 213. Follow the "Rest Area" signs as you approach.

Parking and amenities

Truck parking: 6 reported spaces (the 2019 federal truck parking survey (FHWA Jason's Law)).

Facilities reported for this location:

  • Restrooms
  • Public phone
  • Wi-Fi
  • Visitor information

These are capacity figures, not a live count of free spaces.

Opening hours

Listed opening hours: daily, 8 AM to 5 PM (Travel South Dakota).

How long can you stay?

South Dakota limits stays to 3 hours, or 10 consecutive hours for drivers subject to federal hours-of-service rules. Camping is prohibited. Always follow the limit posted on site. Source: SDCL 31-7-17 (checked November 2026).

Coordinates

45.402698, -97.014770

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Frequently asked questions

Are there restrooms?

Yes, restrooms are included in the official amenities listing.