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Heretty–Lortikka Trail

—•Hiking Trails

4.3 km

Route

P 1

Description

Luontoon.fi – Isojärvi National Park (hiking services)+

Description

The Heretty–Lortikka Trail is about 4.3 km as one point-to-point hiking segment through Isojärvi National Park in Kuhmoinen, Central Finland. Metsähallitus (Luontoon.fi) publishes maps, rules, and service information for the park; that is the right place to confirm seasonal access, campfire rules, and any route notices before you go. Visit Kuhmoinen summarizes how Heretty works as a gateway to the park, including gear rental at Heretty and how cycling routes connect Heretty with Lortikka on longer loops. Retkipaikka’s Isojärvi article notes that Lortikanvuori is a restricted zone where, during the snow-free season, you may only travel on official trails—relevant because views and terrain near Lortikka draw many visitors. Jyrki Kokko describes a longer autumn circuit through Heretty, Vahterjärvi, and Lortikka with slippery paths, floating duckboards, beaver activity along Lortikanlampi, and a climb over Lortikanvuori—useful background for what the forest and lake shores can feel like after rain. In practical terms the line links the Lortikka shore cluster with the Heretty historic camp area and Kannuslahti. Near the Lortikka end you pass Lortikka vuokratupa, Lortikka saunarakennus, Lortikka laituri, Lortikka tulentekopaikka, and Lortikka kaivo—together they support day visits and overnight stays booked through national-park channels. Isojärven kansallispuiston parkkipaikka and Lortikka tulentekopaikka pysäköintialueella sit close to the trail so drivers can combine parking with a short walk to the shore. About 1.2 km along, Vahterjärven laavu and Vahterjärvi tulentekopaikka offer a sheltered break beside the lake. Further on, Heretty P-alueen laajennus, Heretty porakaivo, Heretty kaivo, and Heretty 1 ja 2 mark the Heretty service area at Kylämäntie 1335. Near the far end, Kannuslahti tulipaikka, Kannuslahti puolikota, and Kannuslahti kuivakäymälä form a compact rest spot on Kannuslahti. You can stitch this segment into much longer days. Lortikka-Huhtala polku, Isojärven kansallispuiston reitit, Jätkän Polku, Savottapolku, Heretty-Kuorejärvi-Vahteri polku, Kalalahti-Vahterjärvi polku, Kannuslahti luontopolku, Hevosenlenkki, and Isojärvi MTB all intersect the same shore and camp network; pick the combination that matches your time and fitness. Kuhmoinen lies on the Päijänne lake system in Central Finland.

Length & route

The trail is about 4.3 km as one point-to-point segment between the Lortikka shore area and the Heretty–Kannuslahti side of Isojärvi National Park. It is not a closed loop. Some listings round similar connections to about 4.4 km; treat our 4.3 km figure as the mapped hiking distance.

Getting there

Isojärvi National Park is easiest to reach by car. Heretty and Lortikka both lie off forest roads north of Kuhmoinen; Visit Kuhmoinen points visitors toward Heretty at Kylämäntie 1335 for services and describes cycling links toward Lortikka on longer tours. For this segment you can start from parking near Isojärven kansallispuiston parkkipaikka or Heretty P-alueen laajennus depending on which end you treat as the trailhead. The Metsähallitus hiking services page for Isojärvi lists general access guidance and links to maps. Nearest bus stops are some distance away in Länkipohja or Kuhmoinen; Retkipaikka notes public transport is limited and most people drive or cycle in.

Good to know

Stay on marked trails in restricted areas such as Lortikanvuori during the snow-free season. Campfires are allowed only at designated sites; follow Metsähallitus instructions for firewood and reservations where huts or kota spaces require booking. Dogs must be on a leash in the national park. For equipment rental and local tips, Heretty visitor services are the usual first stop.

History

Support bases for logging were built at Isojärvi in the 1940s and 1950s. Heretty was mainly a horsemen’s camp; its main building went up in winter 1946–47 and could house dozens of workers at peak times in the 1950s. Lortikka mainly accommodated loggers and the Lortikka building now serves as a rental cabin. The Luontoon.fi article on Isojärven kämpät tells this savotta story in detail.

Managed by

Kuhmoinen

Official Maintenance

GPX data from: © Metsähallitus, 2024

Trail info

Walk either from Lortikka toward Heretty and Kannuslahti or the reverse; the trail is a connector, not a mandatory loop.

Route direction

National Park

Area

Lake

Marked Route

Route Signs

Dogs (On Leash)

Dogs

Open / Good Condition

Activities allowed

Hike / Walk

Activity

Terrain & conditions

4.3 km

Distance

About 1–1.5 hours on foot for 4.3 km on easy forest trails, more if you stop at Vahterjärven laavu, Lortikka, or Heretty.

Est. Time

Forest path with roots and short rocky steps in places; duckboard sections can occur near lake shores and may be wet after rain.

Surface

Point-to-Point, Single Track

Route Type

Light Traffic

Traffic

Partial Shade

Shade

Jyrki Kokko – Isojärvi Heretty–Vahterjärvi–Lortikka

Location

61.69956°N, 24.99394°E

Parking coordinates

FinlandCountry

Central FinlandRegion

KuhmoinenCity

Hiking TrailsCategory

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Answers to your questions

Our data was researched from Kuhmoinen, and other trusted sources, in March 2026. Our route / place GPX data comes from Metsähallitus / Lipas, last updated March 2026. Always check their official website for safety-critical updates.

Finland Central Finland Kuhmoinen Hiking TrailsHeretty–Lortikka Trail