Canyoning · Island of Hawai'i
The essentials
Island Mountain Guides runs one canyoning route on the Umauma River, priced at 291.78 $ for a 5-hour experience rated "Occasionally sporty". That puts it squarely in intermediate territory: physical enough to feel the effort, accessible enough for first-timers who move well outdoors. The meeting point is the Umauma Experience site near Hakalau, north of Hilo. Book directly with Island Mountain Guides and confirm availability well in advance, as a single daily slot fills fast.
The offer
Canyoning on the Umauma River near Hilo, Hawai’i Island
Frequently asked questions
How intense is canyoning on the Umauma River?
The tour is rated "Occasionally sporty", meaning you'll hit bursts of real effort, rappelling, swimming and navigating the canyon, without it being a full athletic grind. It's a solid rush without requiring elite fitness.
What is the most intense moment of the experience?
Rappelling down active waterfalls on the Umauma River is the peak adrenaline moment. You're descending volcanic rock face with water rushing past you, which concentrates every second of the descent.
How long does the canyoning session last?
The full experience runs 5 hours, including approach, technical sections in the canyon and exit. Factor in travel time to the Umauma Experience site on Old Mamalahoa Hwy if you're coming from Hilo or Kona.
Is this tour guided in English only?
Yes, Island Mountain Guides conducts this tour in English. If your group includes non-English speakers, contact the operator directly before booking to check options.
Best time to go
| Month | Temperature | Rainfall | Conditions |
|---|---|---|---|
| January | 21.3°C | 184.3 mm | Good |
| February | 20.8°C | 187.3 mm | Good |
| March | 20.9°C | 169.1 mm | Good |
| April | 21.5°C | 180.5 mm | Good |
| May | 22.2°C | 94.1 mm | Peak |
| June | 22.9°C | 70.7 mm | Peak |
| July | 23.4°C | 55.1 mm | Peak |
| August | 23.8°C | 61.2 mm | Peak |
| September | 23.8°C | 85.7 mm | Peak |
| October | 23.4°C | 124 mm | Good |
| November | 22.7°C | 106.8 mm | Good |
| December | 21.6°C | 168.1 mm | Good |
Practical info
Equipment
Wear quick-dry shorts and a rash guard or synthetic base layer since you'll be in the water for a significant portion of the 5 hours. Leave cotton at home, bring secure water shoes with grip, and pack a dry bag for your phone and any valuables.
Getting there
Meet Island Mountain Guides at the Umauma Experience, 31-313 Old Mamalahoa Hwy, Hakalau, HI 96710, located roughly 25 miles north of Hilo along the Hamakua Coast.
See also
Other activities in Island of Hawai'i
Updated March 2026