The latest restrictions increase the exclusions from four other reservations this year. Currently, Ms. Noem is prohibited from entering over 25% of state land.
It follows the Republican’s unfortunate cancellation of a book tour that was widely publicized.
One time, Ms. Noem was a strong contender to be this year’s running mate for Donald Trump.
She won the most votes among contenders for vice president in the November election less than three months ago. But a number of recent incidents, such as the account of how she shot a beloved dog, have received criticism from both political parties.
The Sisseton Wahpeton Oyate and Yankton Sioux tribes voted on separate resolutions on Friday that forbade Ms. Noem from entering their territories.