KaʻŪ Preserve is a region located on the southeastern slopes of Mauna Loa on Hawaiʻi's Big Island, characterized by its rugged natural beauty and rich ecological diversity. This area features the state's largest intact expanse of native forest, including closed-canopy koa and ʻōhiʻa forests, alongside unique volcanic landscapes shaped by the slopes of Mauna Loa. The terrain offers a mix of mountainous areas, narrow plateaus, and steep valleys, providing a diverse setting for outdoor activities.
19
Routes
5
(8)
Average rating
48
People visited

796m
00:12
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

5.0
(3)
12
hikers
7.56km
02:27
340m
340m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

5.0
(2)
6
hikers
4.41km
01:12
70m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

2
hikers
11.5km
03:23
330m
330m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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5
riders
43.7km
07:59
700m
700m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

20.5km
02:39
480m
480m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

6
riders
65.1km
05:17
1,070m
1,070m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

20.5km
01:36
480m
480m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.65km
00:20
90m
90m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

7.19km
00:33
160m
160m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

15.4km
01:16
400m
400m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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KaʻŪ Preserve is located on the southeastern slopes of Mauna Loa on Hawaiʻi's Big Island. It features the state's largest intact expanse of native forest, including koa and ʻōhiʻa forests, and unique volcanic landscapes. The preserve is managed by The Nature Conservancy in Hawaiʻi.
KaʻŪ Preserve offers opportunities for hiking, touring cycling, and road cycling. The region's diverse terrain, from native forests to volcanic landscapes, provides varied experiences for outdoor enthusiasts.
Yes, KaʻŪ Preserve and the surrounding KaʻŪ Forest Reserve offer a network of hiking trails. These trails traverse native forests and volcanic terrain. More information can be found in the Hiking in KaʻŪ Preserve guide.
KaʻŪ Preserve provides trails suitable for various skill levels, including easy walks. These routes allow visitors to experience the native forests and volcanic landscapes without strenuous effort. Consult the Easy hikes in KaʻŪ Preserve guide for specific options.
Yes, KaʻŪ Preserve offers family-friendly hiking options. These trails are generally less strenuous and suitable for visitors of all ages. Specific routes are detailed in the Family-friendly hikes in KaʻŪ Preserve guide.
Cycling is an available activity in KaʻŪ Preserve, with options for both touring cycling and road cycling. The diverse terrain offers varied experiences, from challenging climbs to scenic rides through rural areas. Refer to the Cycling in KaʻŪ Preserve guide for more information.
Yes, KaʻŪ Preserve offers options for traffic-free bike rides. These routes provide a quieter cycling experience away from vehicular traffic. Specific routes are outlined in the Traffic-free bike rides in KaʻŪ Preserve guide.
KaʻŪ Preserve is characterized by its native forests, which are the largest intact expanse in the state, featuring koa and ʻōhiʻa trees. The landscape is also shaped by the volcanic terrain of Mauna Loa, including cinder cones, pit craters, and historic lava flows.
The native forests of KaʻŪ Preserve are critical habitats for rare and endangered forest birds. Species such as the Hawaiian hawk ('io), 'apapane, 'i'iwi, 'elepaio, 'amakihi, and 'ākepa inhabit these areas.
KaʻŪ Preserve has received an average rating of 5.0 out of 5 stars from more than 100 visitors on komoot. This indicates a high level of satisfaction with the outdoor activities available in the region.
Komoot offers several guides for KaʻŪ Preserve, including Hiking in KaʻŪ Preserve, Easy hikes in KaʻŪ Preserve, and Family-friendly hikes in KaʻŪ Preserve. Cycling guides include Cycling in KaʻŪ Preserve and Traffic-free bike rides in KaʻŪ Preserve.
The KaʻŪ Preserve is managed by The Nature Conservancy in Hawaiʻi. Their official website is nature.org/en-us/get-involved/how-we-work/places-we-protect/ka-u-preserve/. The Nature Conservancy in Hawaiʻi can be reached by phone at +1-808-537-4508.

