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Sioux River Upland

Range Type	Bogus mountain grouping for this site
Highest Point	Roberts County High Point (2135 ft/651 m)
Countries	United States
States/Provinces	South Dakota (56%), Minnesota (29%), North Dakota (9%), Iowa (5%) (numbers are approximate percentage of range area)
Area	29,385 sq mi / 76,108 sq km Area may include lowland areas
Extent	314 mi / 505 km North-South 216 mi / 348 km East-West
Center Lat/Long	44° 45' N; 96° 18' W
Map Link	Microsoft Bing Map
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Map of Sioux River Upland
Click on red triangle icons for links to other ranges.

Note: Range borders shown on map are an approximation and are not authoritative.
Click Here for a Full Screen Map

Other Ranges: To go to pages for other ranges either click on the map above, or on range names in the hierarchy snapshot below, which show the parent, siblings, and children of the Sioux River Upland.

Northern US Great Plains	Level 4 (Parent)
Missouri-Yellowstone Plains	Level 5 (Sibling)
Southeast Montana Plains	Level 5 (Sibling)
West-Central Dakota Plains	Level 5 (Sibling)
East Central Dakota Plains	Level 5 (Sibling)
Sioux River Upland	Level 5

Major Peaks of the Sioux River Upland

Ten Highest Peaks
Rank	Peak Name	ft	m	Range6
1.	Roberts County High Point	2135	651
2.	Punished Womans Mound	2080+	634+
3.	Pleasant Peak	2080	634
4.	Marshall County High Point	2080+	634+
5.	Grant County High Point	2060+	628+
6.	Day County High Point	2040+	622+
7.	Deuel County High Point	2040+	622+
8.	Day County Prominence Point	2000+	610+
9.	Lincoln County High Point	1994	608
10.	Pipestone County High Point	1990+	607+
Sub-peaks are excluded from this list. List may not be complete, since only summits in the PBC Database are included.

Photos of Peaks in the Sioux River Upland

Punished Womans Mound Mound BM at the top (2019-07-04). Photo by Ron Tagliapietra. Click here for larger-size photo.	Buffalo Ridge SE view from the top (2019-07-19). Photo by James Symanski. Click here for larger-size photo.
Hardwick Benchmark The actual "Hardwick Benchmark" dated 1953 (2021-06-18). Photo by David Johnson. Click here for larger-size photo.	Okabena Hill A muddy spot remains on the dirt road even on a clear day. I parked at the far right and walked the lesser road that turns left. The high point is between the two left turbines, but the road stops when it reaches one. (2019-07-03). Photo by Ron Tagliapietra. Click here for larger-size photo.
Hawkeye Point Great Highpoint marker with signs to many other highpoints (2017-02-18). Photo by Kelli Allstot. Click here for larger-size photo.	Ocheyedan Mound View from parking lot towards mound (2012-06-23). Photo by Walter Blume. Click here for larger-size photo.

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