KARACHI, Pakistan — An elite climbing team rescued a French mountain climber on Sunday from the treacherous Himalayan peak known as “Killer Mountain,” in Pakistan’s northeast, but her Polish climbing partner remains in peril after efforts to reach him were at least temporarily abandoned.

The climbers, Elisabeth Revol and Tomek Mackiewicz, began their ascent of Nanga Parbat, the ninth-highest mountain in the world, on Jan. 20. The two are believed to have reached the summit, at an altitude of 8,126 meters, or 26,600 feet, which would make them only the second team to do so during the notoriously harsh winter season.

During their descent, Mr. Mackiewicz is said to have had acute mountain sickness, caused by the lack of oxygen in the lower air pressure that exists at higher altitudes, as well as snow blindness and frostbite.

Ms. Revol continued down the mountain alone and called for help from a satellite phone, and she was eventually met by two members of a four-person rescue team flown to the mountain’s base camp on Saturday. She had frostbite on her hands and feet, according to Ludovic Giambiasi, a friend who posted updates on Facebook, and she was taken to Islamabad, the capital, later in the day and received medical attention.