A woman jumped to her death from an Upper Manhattan building early Wednesday, authorities said. 

The 58-year-old woman plunged from a third-floor window on Claremont Avenue near Tiemann Place in Manhattanville around 1:15 a.m., cops said. 

She was rushed to Mount Sinai Morningside, where she was pronounced dead.

She left behind a suicide note, according to police. 

Her identity was not immediately known.

If you are struggling with suicidal thoughts or are experiencing a mental health crisis and live in New York City, you can call 1-888-NYC-WELL for free and confidential crisis counseling. If you live outside the five boroughs, you can dial the 24/7 National Suicide Prevention hotline at 988 or go to SuicidePreventionLifeline.org.