4.7
(230)
1,130
hikers
4
hikes
Hiking around Grad Otočac offers diverse landscapes within the Gacka Valley, framed by the Velebit and Kapela mountain ranges. The region features prominent karst topography, lush forests, and the exceptionally clean Gacka River. Trails often traverse wooded areas, providing shade and views of the surrounding mountains and valleys.
Last updated: August 11, 2026
4.9
(53)
341
hikers
13.0km
03:51
350m
350m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.8
(32)
132
hikers
9.98km
03:38
440m
440m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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4.8
(33)
132
hikers
10.0km
03:41
440m
450m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.9
(28)
124
hikers
8.04km
03:18
430m
440m
Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.9
(26)
103
hikers
14.6km
05:34
680m
680m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4.9
(17)
108
hikers
8.18km
03:13
340m
340m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.6
(13)
61
hikers
4.35km
01:17
120m
120m
Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.
4.8
(11)
68
hikers
11.7km
03:27
330m
330m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3.9
(7)
22
hikers
10.8km
03:20
370m
360m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(3)
21
hikers
22.4km
05:50
160m
160m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
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At 1,676 meters, Gromovača is the highest peak of Rožanski kukovi and one of the most beautiful viewpoints in the northern Velebit. A gentle detour from the Premužić Trail leads up in just a few minutes. At the top, a fantastic panoramic view opens up. To the west, your gaze wanders over the rugged sea of rock towers to the Adriatic Sea with the islands of Rab, Pag, and Krk; to the east, it stretches far into the mountainous Lika region. The name derives from the Croatian word for thunder, a reference to the violent thunderstorms that can discharge at these exposed heights.
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South of Zavižan, the Premužić Trail crosses one of Croatia's wildest karst areas: Hajdučki and Rožanski kukovi. In a confined space, countless rock towers, called "kukovi", are crowded together, crisscrossed by sinkholes, shafts, and deeply furrowed channels in the rock, known in Croatian as škrape. Since 1969, the area has been a strict nature reserve under the country's highest level of protection. Entry is forbidden. Only the historic Premužić Trail leads through it. In the depths also lies Lukina jama, one of the deepest cave systems on Earth. Bears, wolves, and lynx find undisturbed refuge here.
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The Balinovac is located at an altitude of around 1,600 meters. A detour to the rocky summit is worthwhile. From here, your gaze wanders over the rugged karst peaks of the Northern Velebit to the Kvarner Bay with its islands.
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The paths through the forests are top marked and provide welcome shade on hot days.
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Here starts the Botanical Garden of the National Park. Worth seeing.
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A strenuous climb over hill and dale, but then this magnificent panoramic view! It was worth it!
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Unfortunately, we didn't see them.
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Definitely check out the Botanical Garden!
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Grad Otočac offers a variety of hiking experiences, with over 10 routes documented on komoot. These trails range in difficulty from moderate to difficult, providing options for different skill levels.
The hiking terrain around Grad Otočac is characterized by its stunning karst topography, lush forests, and the exceptionally clean Gacka River. Trails often traverse wooded areas, providing pleasant shade, and offer views of the surrounding Velebit and Kapela mountain ranges, as well as the Gacka Valley.
Yes, for experienced hikers seeking a challenge, Grad Otočac has several difficult routes. One such option is the Zavižan Hut – Premužić Trail loop from Velika kosa, which spans over 20 km and involves significant elevation changes, offering a demanding mountain experience.
Many of the trails around Grad Otočac are designed as loops, allowing you to start and end at the same point. An example is the Stone chapel – Gromovača Peak loop from Velika kosa, a moderate 13.1 km route that provides views towards Gromovača Peak.
Hikers in Grad Otočac can explore a range of natural and historical points of interest. The Gacka River springs, including Majerovo Vrilo, are significant attractions showcasing traditional watermills. The region also offers views of the Velebit mountain range and the Gacka Valley. For a unique experience, the Kuterevo Bear Sanctuary is located nearby.
The trails in Grad Otočac are highly rated by the komoot community, with an average score of 4.6 stars from over 180 reviews. Hikers often praise the diverse landscapes, from the serene Gacka Valley to the rugged mountain vistas, and the well-maintained paths that offer a rewarding outdoor experience.
While many trails in Grad Otočac are moderate to difficult, the Gacka Valley itself offers gentler walks suitable for families. These paths often follow the river, providing a pleasant and accessible way to enjoy the natural beauty of the area. Always check the specific trail details for distance and elevation to ensure it suits your family's abilities.
Generally, dogs are permitted on many hiking trails in the Grad Otočac region, especially in forested areas and along the Gacka River. However, if you plan to visit nearby national parks like Plitvice Lakes or Northern Velebit, specific rules and restrictions for dogs may apply. It's always best to keep your dog on a leash and ensure they are well-behaved to respect wildlife and other hikers.
The best time for hiking in Grad Otočac is typically during the spring, summer, and early autumn months. During summer, the forested trails provide pleasant shade. Spring and autumn offer milder temperatures and vibrant natural colors, making for very enjoyable hiking conditions. Winter hiking is possible but may require appropriate gear due to snow and colder temperatures, especially in higher elevations.
While many routes are classified as moderate or difficult, the region offers easier walking opportunities, particularly along the Gacka River. These paths are generally flatter and provide a relaxed way to experience the valley's natural beauty. For a moderate option, the Zavižan Hut – Stone chapel loop from Velika kosa is a shorter loop of about 4.3 km.
Parking availability varies by trailhead. Many popular starting points for trails in Grad Otočac and the surrounding Gacka Valley will have designated parking areas. For specific routes, it's advisable to check the route details on komoot, as users often provide information about parking at the start of their tours.


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