Jeremy Edmond, 33, was arrested and charged with first-degree robbery, first-degree threatening, fourth-degree larceny and second-degree breach of peace.
The 33-year-old suspect was taken into custody Wednesday in connection with multiple robberies in Southington.
After two weeks of fighting the fire on Lamentation Mountain, Giuffrida Park's east side will reopen to the public as firefighters continue to secure the area.