Last of the Great Unknown
2012, English. Directed by Dan Ransom.
The story of Grand Canyon's hidden slot canyons, the canyoneers who systematically explored their drainages, and the secrets hidden deep within their walls.
- Runtime
- 0h 22m
- Post-credits
- None listed
- Language
- English
- Rated
- Check local
Start now and it ends at ….
Too new to call
Not enough people have rated it yet for a verdict.
Seen it? Give your verdict.
Saved privately on this device.
Where to watch Last of the Great Unknown
Last of the Great Unknown is streaming on Echoboom Amazon Channel in India.
Stream
Echoboom Amazon Channel 
Fandango at Home Free
Apple TV Store
Google Play Movies
YouTubeAvailability in India as of 13 November 2026. Streaming data by JustWatch.
Cast & crew
Details
- Released
- 26 April 2012
- Country
- United States of America
Check ratings elsewhere
News & fan talk
If you liked Last of the Great Unknown
The Art of Flight
2011 · 7.8/10
Worth the HypeRecommended by TMDB viewers
Avatar: The Deep Dive - A Special Edition of 20/20
2022 · 7.2/10
Worth the HypeRecommended by TMDB viewers
Mountain
2017 · 6.9/10
Popcorn FlickRecommended by TMDB viewers
Avatar: Creating the World of Pandora
2010 · 6.5/10
Popcorn FlickRecommended by TMDB viewers
National Geographic: Journey to the Edge of the Universe
2008 · 7.8/10
Worth the HypeRecommended by TMDB viewers
Boys State
2020 · 7.1/10
Worth the HypeRecommended by TMDB viewers
Making The Witcher
2020 · 7.1/10
Worth the HypeRecommended by TMDB viewers
Free Solo
2018 · 7.9/10
Absolute CinemaRecommended by TMDB viewers
My Mom Jayne
2025 · 8.0/10
Absolute CinemaRecommended by TMDB viewers
The Crystal Calls - Making The Dark Crystal: Age of Resistance
2019 · 7.5/10
Worth the HypeRecommended by TMDB viewers
Last of the Great Unknown: quick answers
Is Last of the Great Unknown worth watching?
Last of the Great Unknown doesn’t have enough ratings for a verdict yet.
How long is Last of the Great Unknown?
Last of the Great Unknown runs 22 minutes (0h 22m).
Does Last of the Great Unknown have a post-credits scene?
None is listed for Last of the Great Unknown. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Last of the Great Unknown parents guide: is it suitable for kids?
No age rating is listed for Last of the Great Unknown yet.
Which OTT platform is Last of the Great Unknown on?
Last of the Great Unknown is streaming on Echoboom Amazon Channel in India. (Checked 13 November 2026.)
What movies are like Last of the Great Unknown?
If you liked Last of the Great Unknown, try The Art of Flight, Avatar: The Deep Dive - A Special Edition of 20/20, Mountain.
Who directed Last of the Great Unknown?
Last of the Great Unknown (2012) was directed by Dan Ransom and stars Bill Formanek, Todd Martin, Dave Nally.