She has exhibited internationally, most notably in at the Okinawa Prefectural Art Museum (Naha, Japan), Changjiang International Photography & Video Biennale (Chonquing, China), and Art Nova 100, <Beyond the Border – New Media Exhibition> (Beijing, China). Nationally, Momohara exhibited at the International Center for Photography (New York), the Contemporary Art Center (Cincinnati), Photographic Center NW (Seattle), 21c Museum Hotels (Louisville and Cincinnati), and the Colorado Photographic Arts Center (Denver). She was featured in a two-person exhibition Sugar/Islands at the Japanese American National Museum. 

Momohara’s first documentary film Namba: a Japanese American’s Life of Incarceration and Resilience was released in 2022 and won awards at the Black Bird Film Festival (Honorable Mention), Seattle Asian American Film Festival (Cinemetropolis Award for Best Local Short) and Crown Point Film Festival (Best Documentary Short).

For Freedoms commissioned Momohara to create four art-billboards which have been presented in numerous locations and are included in the 2024 book Where do we go from here? published by Phaidon Press. 

She has been awarded residencies at several arts organizations including the Center for Photography at Woodstock (NY), Headlands Center for the Arts (Sausalito, CA), Fine Arts Work Center (Provincetown, MA), and Red Gate Gallery (Beijing, China).