4.2
(18)
124
hikers
24
hikes
Hiking in Petersætra Og Trestikledalen Naturreservat offers diverse terrain, characterized by varied and often hilly landscapes. The reserve features forested peaks, picturesque stream valleys, tranquil marshlands, and small lakes. Hikers can explore old-growth coniferous and mixed coniferous forests, alongside some small rockslides and impressive rock faces. This natural environment provides a setting for outdoor activities within its well-preserved boundaries.
Last updated: June 29, 2026
2
hikers
7.08km
02:10
240m
240m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
2
hikers
8.49km
02:27
220m
220m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Sign up for free
8
hikers
4.92km
01:23
110m
110m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5
hikers
10.1km
02:39
90m
90m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5
hikers
9.71km
02:42
180m
180m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
The reserve features a varied and often hilly terrain, with forested peaks, picturesque stream valleys, tranquil marshlands, and small lakes. You'll also encounter some small rockslides and impressive rock faces, particularly on the east and west-facing hillsides.
Yes, Petersætra Og Trestikledalen Naturreservat offers several easy trails. For instance, the Mariås – Forest Trail Near Svelvik loop from Mariås is an easy 3.5-mile (5.6 km) path through forested areas. Another accessible option is the Forest Trail Near Svelvik loop from Svelvik, which is 4.4 miles (7.0 km) and also considered easy.
There are over 20 hiking routes available in Petersætra Og Trestikledalen Naturreservat. These include a mix of easy and moderate trails, ensuring options for various fitness levels.
The reserve is known for its well-preserved older coniferous and mixed coniferous forests, offering a rich, ancient forest ecosystem. Hikers can also explore stream valleys, marshlands, and small lakes. Specific points of interest include Petersætra itself and Trestiklevanna.
Generally, dogs are allowed on trails in Norwegian nature reserves, but they must be kept on a leash, especially during nesting seasons for birds and when livestock is present. Always check local signage for specific regulations within Petersætra Og Trestikledalen Naturreservat to ensure compliance.
The best time to visit for hiking is typically from spring through autumn (May to October) when the weather is milder and trails are clear of snow. During these months, the diverse flora and fauna are most active, and the varied landscapes are at their most vibrant.
While the reserve primarily features easy to moderate trails, some routes offer more elevation gain and varied forest terrain. For example, the Fjellbekkhaugen – Sæteråsen loop from Svelvik is a moderate 4.4-mile (7.0 km) trail with significant elevation changes, providing a good workout for those seeking a bit more challenge.
The area is highly rated by the komoot community, with an average score of 4.0 stars from over 10 reviews. Hikers often praise the varied forest terrain, the tranquility of the woodlands, and the well-maintained paths that make for an enjoyable outdoor experience.
Information on specific public transport routes directly into the heart of the reserve can be limited. It is generally recommended to check local bus schedules for services to nearby towns like Svelvik or Mariås, from where you might need to arrange further transport or walk to trailheads.
Yes, many of the trails in Petersætra Og Trestikledalen Naturreservat are designed as loops. Examples include the Fjellbekkhaugen – Sæteråsen loop from Svelvik and the Røysjølia – Steinkleiva loop from Trestikle naturreservat, allowing you to start and end at the same point without retracing your steps.
As a nature reserve preserving ancient forest ecosystems, you might encounter various bird species, small mammals, and insects. The diverse habitats, including marshlands and forests, support a range of naturally occurring species, some of which may be rare or threatened.
As a natural reserve, facilities like restrooms or dedicated shelters are generally sparse or non-existent directly on the trails. It's advisable to be self-sufficient and carry out all waste. Some trailheads or nearby villages might offer limited amenities.
Hiking durations vary depending on the trail's length and difficulty. For example, the Fjellbekkhaugen – Sæteråsen loop typically takes around 2 hours and 9 minutes, while the Mariås – Forest Trail Near Svelvik loop can be completed in about 1 hour and 30 minutes.


Browse the best Hikes in other regions.