Tier 4
Mammoth Lakes, CA, United States
Last verified 24 August 2026
Mammoth Film Festival™ is now going into its 3rd year and we can't wait for 2020! We are humbled the press called us, "...the biggest first year film festival ever organized." Now with our ever expanding "MammothFF Market Place" you can look for this platform to be a place to
The main submission deadline for Mammoth Film Festival is around 20 December 2019. Confirmed for the current edition.
Submitting to Mammoth Film Festival costs from USD 40 as a rough guide. Entry fees usually rise closer to the deadline and vary by category.
National premiere required. Protect your premiere status before you submit, as it is a one-time resource.
Mammoth Film Festival takes place in Mammoth Lakes, CA, United States.
Mammoth Film Festival is a legitimate, established film festival: it is listed in FilmRun's curated, human-vetted festival database, which deliberately excludes known scam festivals and certificate mills. As with any festival, confirm the current deadline and fee on the official site before you pay.
FilmRun scores this festival against your film, protects your premiere, and tracks the deadline for you. Free to start.