1,033 m
Elevation
1,033 m
Prominence
-19.6667°, -175.0333°
Coordinates
Unknown — pre-modern era
First Ascent
About Unnamed on Kao Island
A near-perfect volcanic cone rising from the sea in the Ha'apai group. Uninhabited and extremely difficult to access — one of the most pristine highpoints.
Climbing Unnamed on Kao Island: route, season and difficulty
- How long it takes
- 8–14 hours round trip, or two days using a mountain hut
- Do you need a guide?
- Not required if you are comfortable with exposed scrambling and mountain navigation, but a guide is a good call in poor visibility or early season.
- Best season
- Usually the local dry season — anytime outside the monsoon or rainy months.
- Terrain & gear
- Steep trails with scrambling, loose rock or short exposed sections. Helmet, sturdy boots, wind and rain shell, headtorch, and a via-ferrata set if the route is cabled.
Frequently Asked Questions
What is the highest mountain in Tonga?
The highest mountain in Tonga is Unnamed on Kao Island, at 1,033 meters above sea level.
How long does it take to climb Unnamed on Kao Island?
Allow 8–14 hours round trip, or two days using a mountain hut. Times vary with fitness, conditions and which trailhead you start from.
Can you climb Unnamed on Kao Island without a guide?
Not required if you are comfortable with exposed scrambling and mountain navigation, but a guide is a good call in poor visibility or early season.
When is the best time to climb Unnamed on Kao Island?
The usual season is the local dry season — anytime outside the monsoon or rainy months. Outside that window expect snow, storms or closed access.
What gear do you need for Unnamed on Kao Island?
Helmet, sturdy boots, wind and rain shell, headtorch, and a via-ferrata set if the route is cabled.
How high is Unnamed on Kao Island?
Unnamed on Kao Island stands at 1,033 meters (3,389 feet).
Where is Unnamed on Kao Island located?
Unnamed on Kao Island is located in Tonga, within the Kao Island (volcanic cone).
Has Martin climbed Unnamed on Kao Island?
Not yet — Unnamed on Kao Island is still on Martin's list of remaining country highpoints.