Only 50 tourists will be allowed to bathe at Mussoorie's famous Kempty falls with a maximum permissible time of 30 minutes.
The district administration has taken the decision in view of the Covid-19 pandemic, District Magistrate Iva Ashish Shrivastava said.
"There will be a time limit of 30 minutes for each bather, she said, adding an air horn will be used to signal the exit time.
The decision came a day after viral videos showed a large number of tourists bathing at the falls without wearing masks or maintaining social distancing norms.