Nearby Sungerski Lug gives Sunger an unusual natural profile: a small bog with a remarkable botanical site lies in an open forest hollow. At the same time, mountain biking routes pass through Sunger, and the Chapel of St. Cyril and Methodius offers a glimpse into the history of the place. Those planning a stay can choose to focus on nature, cycling, or cultural heritage.
Sungerski Lug: bog landscape and rare plants
The Sungerski Lug bog covers 0.5 hectares and lies in an open forest hollow northwest of Sunger, in a small, high-altitude karst field at 770 to 790 meters above sea level. The bog includes a wet fir-spruce forest with about ten depressions containing small acidophilous bogs and bog pools. Near Sunger, there is also a fir and hard fern forest (Blechno-Abietum) at 780 meters above sea level.
From a botanical perspective, Sungerski Lug is notable as the only known recent site of the swamp arum (Calla palustris) in Croatia. The combination of a karst depression, forest, and small bog areas makes the site interesting for nature enthusiasts. An information board at the bog warned in 2009 that entering it could affect plant and animal life as well as natural processes.
Chapel and festival culture in Sunger
The Chapel of St. Cyril and Methodius is a branch church of the Mrkopalj parish and a religious building dating from the 19th century. The site's history is therefore reflected both in its ecclesiastical connection to the parish and in the age of the building. Cirilovo is a religious folk festival in Sunger. Together, the chapel and festival offer a cultural point of interest alongside the area's nature and cycling themes.
Mountain biking routes with different itineraries
The “Šume pjevaju” mountain biking route runs via Mrkopalj, Poljička kosa, Polane, Sunger, Brestova Draga, and Zagmajna before returning to Mrkopalj. Its total elevation gain is 690 meters. MTB Stage E7 runs from Fužine to Delnice via Lokve, Lokvarka Cave, Brestova Draga, Mrkopalj, and Sunger; it connects lakes, forests, and mountain villages. The full E7 stage includes sections on paved roads, unpaved roads, and natural trails.
The two itineraries can be distinguished by their stated endpoints: “Šume pjevaju” returns to Mrkopalj, while E7 is the stage between Fužine and Delnice. The 690-meter elevation gain applies to “Šume pjevaju”; the different surfaces are described for the entire E7 stage. When choosing, you can first consider which route better suits your cycling trip, without treating the two routes as a single tour.
The family cycling event “Obiteljska rekreativna biciklijada Sunger” is also geared toward shared outdoor recreation, time in nature, and an active lifestyle. It brings participants of all ages together. This is a different way to enjoy cycling than the two mountain biking routes described above.
A planned walking path and the wider region
A proposal from August 2025 envisaged a walking path between Mrkopalj and Sunger, which was to run partly along the former 18th-century Karolina Road. Describing it as a proposal preserves the status of the plans at the time and makes no claim about whether the path can be used today.
In the wider destination of Općina Mrkopalj are Bijele stijene and Samarske stijene; they were declared strict nature reserves in 1985. Check the current regulations before visiting. Mrkopalj is considered the cradle of Croatian skiing. Croatia's first ski jump, “Pod Vrhin,” was built there in 1934.
The Historical and Ethnographic Collection of Mrkopalj is also part of the cultural offerings of Općina Mrkopalj. It opened in 2017 in the center of Mrkopalj, on the first floor of the cultural center, and contains more than 550 historical photographs and approximately 200 old objects. Items on display include a document about the founding of the parish in 1771, a design for the “Pod Vrhin” ski jump from 1933, and handmade skis, ski poles, snowshoes, and a rescue sled. Mrkopalj also has a green market year-round, with about a dozen local producers from Gorski Kotar represented. Check the market schedule before your trip.
Sunger thus offers several distinct themes when choosing where to stay: the nearby bog and its remarkable plant life, the chapel and folk festival, and cycling routes that make the village part of longer itineraries. The facts about Općina Mrkopalj add wider nature, sports, and cultural themes to this local perspective.
Discover more destinations: Tuk Vojni, Begovo Razdolje, Brestova Draga, Mrkopalj
Go to the wider travel overview: Općina Mrkopalj.
