A pet dog fell off an oceanside bluff in San Francisco and spent more than 20 minutes clinging to a narrow ledge until firefighters came to its rescue, officials said.

The brown and white dog was playing with another pooch on Tuesday at Fort Funston, a coastal park with steep bluffs that can drop up to 200 feet (61 meters) to the beach below. The dog, which was not familiar with the area, slipped on some vegetation, lost its traction and fell over the cliff, said Rescue Captain Samuel Menchaca of the San Francisco Fire Department.

Firefighters sent a team to retrieve the canine, which had found temporary refuge on a ledge about 40 feet (12 meters) below the top of the cliff. A San Francisco police drone operator who happened to be in the area heard the emergency call go out and captured an aerial view of the dog’s location, which he relayed to firefighters.

Once they knew where to find the animal, one rescuer rappelled down the sandy cliff face, attached a harness to the 40-pound (18-kilogram) dog and held it as they were pulled up together.

Rescuers reunited the dog with its owner.