The family of a missing Reno woman who vanished last month during a trip to a national forest in Northern California is taking to social media to plead for help in locating her.

Courtney Bryan, a 32-year-old resident of Reno, Nev., was reported missing by her family after she never returned from a trip to Hunt Hot Springs in the Shasta-Trinity National Forest in Redding, Calif., the Reno Police Department said in a news release. Bryan was traveling with her dog Booch, a black-and-white border collie mix, in a red 2004 Subaru Outback.

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Bryan's sister, Katana Curven, took to TikTok to spread awareness about her sister’s disappearance and ask for help in finding her.

"Hey TikTok, I need you guys to do your thing, please. My sister is missing, her name is Courtney Bryan," Curven said in the video.

Curven said that her sister was last seen in an Instagram photo posted on Sept. 23, showing her sitting in the waters at the Hunt Hot Springs. She said there have been no calls or texts from her sister’s phone since the photo was taken.

Courtney Bryan was taking trip to Hunt Hot Springs in Shasta National Forest

Courtney Bryan was last seen in an Instagram photo taken at Hunt Hot Springs in Shasta National Forest, California, on Sept. 23. (Reno Police Department)

Bryan works at Patagonia, a company that sells outdoor clothing and gear, in its repairs department in Reno. The company also took to social media on Wednesday, posting a tweet to ask for help in locating Bryan.

"Courtney works in our repairs department in Reno and we became worried when she didn’t come into work starting on September 27th," Chris Joyce, head of Patagonia's distribution, logistics and sustainability in Reno, told Fox News in a statement. 

"We are concerned that she still hasn’t returned or been found and have been in contact with her family and the Reno Police Department," Joyce continued. "Our hearts go out to her family and we will continue to do everything we can to support them in the search and bring her home."

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Curven told NBC’s "Dateline" that her sister was supposed to return from her trip on Sept. 27. 

"She left her cat here at her apartment, so I know she was planning on coming back," Curven said. "She loved her animals. And her plants. And would never leave them like this."

Curven told the outlet that she decided to spread the news about her sister on TikTok because social media has helped in other missing persons cases and she hoped it could do the same for her sister.

Reno police are leading the investigation and are working with various agencies in Shasta County, Calif., to locate Bryan.