Mazing Acres is a fall destination outside Yankton whose official site lists a 2026 Fall Festival of September 19 through October 31, open Saturdays 10 a.m. to 8 p.m. and Sundays 10 a.m. to 6 p.m. The farm advertises more than thirty fall attractions including a pumpkin patch, a five-acre corn maze, hayrides, flower fields and farm animals. Its contact page was unreachable at the time of review, so no phone number is published here.

Mazing Acres Pumpkin Patch

Spearfish Valley Produce runs the Spearfish Corn Maze and Pumpkin Patch about three miles northwest of Spearfish, entering its fourteenth season in 2026 and opening September 11. Its official site lists Friday 4 p.m. to 8 p.m., Saturday 10 a.m. to 8 p.m. and Sunday 10 a.m. to 4 p.m., with October dates of the 2nd to the 31st. Hay rides run weekends only, no maze entries are taken after 7 p.m., and no pets are allowed.

The farm asks visitors not to rely on GPS and publishes turn-by-turn directions from Interstate 90 exit 8.

Spearfish Corn Maze & Pumpkin Patch

Our Farm, SD is a pick-your-own pumpkin patch and corn maze outside Parker that opens for the 2026 season on September 12. Its official site lists hours of Wednesdays 10 a.m. to 2 p.m. and Saturdays and Sundays noon to 6 p.m., with half-price Wednesdays from September 16. Admission covers a petting zoo, pedal track, slides, hay bale mountain, zip lines and a corn pit; gourd launchers, pumpkins and concessions cost extra. No pets are allowed, and no season end date is published beyond weekends in September and October.

Our Farm, SD

We list 3 pumpkin patches in Parker, Spearfish, and Yankton. 3 also offer corn mazes. 3 have posted 2026 dates, hours, or a season update, shown in the table below.

Pumpkin Patches in South Dakota

2026 at a glance

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Pumpkin Patches listings in South Dakota

Farm	City	Also offers	2026 season
Mazing Acres Pumpkin Patch	Yankton	Corn Maze	2026 hours posted
Our Farm, SD	Parker	Corn Maze	2026 hours posted
Spearfish Corn Maze & Pumpkin Patch	Spearfish	Corn Maze	2026 hours posted