This Gray Lady went on a bad Rocky Mountain high.

New York Times columnist and lightweight pot user Maureen Dowd, who says her drug of choice is chardonnay, bit off more than she could chew while researching pot legalization in Colorado.

“For an hour, I felt nothing,” she wrote of scarfing a marijuana-laced candy bar in a Denver hotel.

“Then I felt a scary shudder go through my body and brain. I barely made it from the desk to the bed, where I lay curled up in a hallucinatory state for the next eight hours.”

Her paranoia subsided “distressingly slowly … I became convinced that I had died.”

Dowd later learned she’d eaten 16 times the amount she should have.

Page Six will soon conduct its own research.