"It's very hard for us to accept that she's no longer with us," said vigil organizer Liset Ortiz.
[Ads /]
Rivera, who starred in the popular musical television series 'Glee,' died nearly three weeks ago in what authorities determined was an accidental drowning.
Naya Rivera update: Officials release cause of death after body found at Lake Piru
Naya Rivera update: Officials release cause of death after body found at Lake Piru
The 33-year-old actress took a boat out on Lake Piru spending an afternoon with her 4-year-old son. Later that day, her son was found alone in the boat. Days later, searchers found Rivera's body in the lake.
Heartbroken fans say they admired Rivera as a person and as a performer. Many of them identified with the character she played on glee.
[Ads /]
"With the help of her character, she helped me accept myself for who I really was and I was more open with my sexuality," said fan Kimberly Martinez.
"Santana, her character on Glee meant a lot to the LGBTQ+ community. She was a great actress, a great person, a great mother," said fan Christina Saunders.
WATCH: Surveillance video shows Naya Rivera, son at Lake Piru before her disappearance
[Ads /]
Surveillance video shows actress Naya Rivera and son at Lake Piru before her disappearance
Balloons were released over the lake as a final tribute.
"She taught me how to be myself and be unapologetic about it," said Ortiz.
"This is a way for us to say goodbye to her. Not just us but a million, thousand people on Twitter, Instagram, are all here with us."
'Glee' creators launching college fund for Naya Rivera's son
'Glee' creators launching college fund for Naya Rivera's son