4.4
(18)
77
hikers
7
hikes
Family friendly hiking trails around Iso Sunijärvi are primarily located within a protected natural landscape on Hailuoto island, Finland. Approximately two-thirds of Iso Sunijärvi is designated as a nature reserve, characterized by a shallow lake with marshy shores. The surrounding area features fens and wetlands, which connect to a broader network of hiking trails originating from Ojakylä and the church village. These routes often trace the northern perimeter of the lake, offering diverse natural environments.
Last updated: July 12, 2026
4.8
(6)
43
hikers
7.53km
01:54
10m
10m
Hike the easy 4.7-mile Marjaniemi–Pajuperä–Iso Sunikari Trail in Hailuoto, offering coastal views and the Oulu Lighthouse.
1.94km
00:29
0m
0m
Hike the easy 1.2-mile Marjaniemi Accessible Trail, a boardwalk route near Oulu Lighthouse, offering coastal views and beach access in Hailu

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4.4
(7)
16
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
10
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
7
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Beautiful wooden plank path with a view of the lighthouse.
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... and a craft beer from the island brewery 😋
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A sandy beach with a long walk into the water. It's a five-minute walk from the parking lot to the beach.
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There are 7 family-friendly hiking trails around Iso Sunijärvi featured in this guide. These range from easy strolls perfect for younger children to moderate routes for families seeking a bit more adventure.
Yes, the area offers accessible options. The Marjaniemi Accessible Trail is a great choice, providing a short and easy path suitable for strollers and families with toddlers. It's just under 2 kilometers long.
The trails around Iso Sunijärvi showcase the unique natural beauty of Hailuoto island. You'll encounter shallow lake shores, marshy wetlands, and coastal vistas. The area is part of a nature reserve, known for being a vital breeding and resting ground for diverse waterfowl. Keep an eye out for interesting birdlife!
Generally, dogs are welcome on trails in Finland, but it's important to keep them on a leash, especially in nature reserves like Iso Sunijärvi, to protect wildlife. Always clean up after your pet.
The best time for family hiking around Iso Sunijärvi is typically from late spring through early autumn (May to September). During these months, the weather is milder, the trails are clear of snow, and the natural environment is vibrant. Summer offers longer daylight hours, while early autumn provides beautiful fall colors.
For families looking for a longer adventure, the Marjaniemi–Pajuperä–Iso Sunikari Trail offers a moderate 7.5-kilometer hike with scenic coastal views. Another option is the Oulu Lighthouse – Marjaniemi beach loop from Marjaniemi Lighthouse, which is around 8.5 kilometers.
Parking is generally available at common starting points for trails, such as near Marjaniemi Lighthouse or other designated trailheads. Specific parking information can often be found on local signage or detailed route descriptions.
The area is highly rated by the komoot community, with an average score of 4.3 stars. Reviewers often praise the peaceful natural environment, the well-maintained paths, and the opportunity to experience the unique coastal and wetland landscapes of Hailuoto island.
Yes, for those undertaking longer excursions, an open wilderness hut is available on the northern shore of Iso Sunijärvi. This provides a basic shelter amidst nature, perfect for a break or a picnic.
Absolutely. The Oulu Lighthouse – Nature Trail Boardwalk loop from Marjaniemi Lighthouse is an easy 4.1-kilometer loop that's great for families. It offers a pleasant walk with the convenience of returning to your starting point.
When hiking with family, it's always wise to pack essentials like water, snacks, appropriate clothing layers for changing weather, sun protection, insect repellent, and a basic first-aid kit. Don't forget binoculars for birdwatching!


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