For rules, maps, and up-to-date cycling information for Isojärvi National Park, Metsähallitus (Luontoon.fi) publishes the official cycling section for the destination. The mountain biking route is about 16.2 km as one marked circuit through the park near Kuhmoinen in Central Finland. Visit Kuhmoinen describes it as...
Luontoon.fi – Isojärvi National Park (cycling)+
Description
For rules, maps, and up-to-date cycling information for Isojärvi National Park, Metsähallitus (Luontoon.fi) publishes the official cycling section for the destination. The mountain biking route is about 16.2 km as one marked circuit through the park near Kuhmoinen in Central Finland. Visit Kuhmoinen describes it as a summer 2019-opened riding circuit from Heretty toward Lortikka and back along smaller gravel roads for roughly 16 km total, within about an hour’s drive of Lahti, Tampere, and Jyväskylä. The Metsähallitus mountain biking trail brochure presents the ride as a moderate MTB experience in historic lumberjack landscapes, climbing to rocky heaths and dropping to canyon-valley mires, with terrain markings completed by summer 2019.
In practice the riding is varied: forest paths and gravel, sections with roots and rock, occasional duckboards, and places where less experienced riders may prefer to walk short pitches. Retkipaikka’s ride report from the same route notes 2–5 hour trip times in Luontoon materials, plenty of small lakes and ponds along the way, and the need to watch for hikers on shared connections. Mountain biking elsewhere in the national park is limited to this marked bike route and public roads as stated on visitor pages.
Along the ride you pass the main Heretty cluster (Heretty 1 ja 2, water points, and Heretty P-alueen laajennus parking) at the Kylämäntie gateway, then swing through Nokipohja parkkipaikkka and the Huhtala service area (Huhtala savusauna, Huhtala pysäköintialue, and nearby Kaatvuori pysäköintialue) before reaching Kalalahden kotalaavu, Kalalahti telttailualue, and Kalalahti tuletekopaikka on Kalalahti bay. The Lortikka shore and Isojärven kansallispuiston parkkipaikka area bundle Lortikka vuokratupa, Lortikka saunarakennus, Lortikka laituri, and campfire spots. Vahterjärven laavu and Vahterjärvi tulentekopaikka sit above Vahterjärvi, and Kannuslahti tulipaikka with Kannuslahti puolikota closes the northern lake side toward the return leg.
The same trail hub links to major walking circuits you can combine on foot: Hevosenlenkki, Heretty-Lortikka polku, Kannuslahti luontopolku, Isojärven kansallispuiston reitit, Savottapolku, Lortikka-Huhtala polku, Majavapolku, Jätkän Polku, Kalalahti-Vahterjärvi polku, and Heretty-Kuorejärvi-Vahteri polku. Practical bike and boat hire from Heretty is linked under Where to rent bikes; Visit Kuhmoinen still gives a useful regional overview of the park and services.
Length & route
The mountain biking route is about 16.2 km as one continuous circuit. Official print material and regional tourism text often round the ride to about 16 km. The circuit links Heretty, forest trails toward Lortikka and Kalalahti, and connecting gravel roads back toward the Heretty side as described for visitors.
Getting there
The usual start is the Heretty service area on Kylämäntie 1335 in Kuhmoinen, with parking at Heretty P-alueen laajennus and related Heretty lots. Visit Kuhmoinen describes Isojärvi as reachable by car from Central Finland cities within about an hour and notes rental gear at Heretty. Nokipohja parkkipaikkka, Huhtala pysäköintialue, Kaatvuori pysäköintialue, and Isojärven kansallispuiston parkkipaikka offer additional staging along the circuit depending on direction. Metsähallitus (Luontoon.fi) lists park-wide access guidance on the cycling destination page.
Good to know
Confirm Metsähallitus national park instructions for entrance fees, firewood, campfire sites, and dog rules before you travel. Give space to hikers wherever bike and foot routes meet.
History
Metsähallitus framed the Isojärvi MTB corridor as a ride in the wheel tracks of historic lumberjacks—an intentional landscape story tying modern singletrack and forest roads to the park’s logging heritage. Public-facing marking work for the bike trail was scheduled to finish in summer 2019.
Where to rent bikes
At Heretty (Kylämäntie 1335, Kuhmoinen), Isojärvi Outdoors lists fatbikes, gravel bikes, canoes, kayaks, packrafts, rowing boats, and camping kit on their equipment hire page. The Heretty kämppäkahvila service page publishes example gravel-bike rates (about €35/3h or €45/6h), notes fatbike hire, and gives the on-site phone number.
Guided tours & Experiences
Outdoor Empire Oy sells bookable experiences from the same Heretty base. Fatbikeretki Valkulamminluolalle is a three-hour self-guided package with two fatbikes, a terrain map, and coffee for the cave outing beside the national park (from about €80 for two people). A two-night Isojärvi canoeing trek is offered as a separate paddling product.
Visitor messaging presents the ride as leaving Heretty toward Lortikka and returning on smaller forest roads to complete the circuit. Either traveling direction is possible if you keep to the marked bike route and park rules.
Route direction
National Park
Area
Lake
Lake
Marked Route
Route Signs
Dogs (On Leash)
Dogs
Open / Good Condition
Open / Good Condition
Luontoon.fi – Isojärvi National Park (cycling)+
Activities allowed
Bike
Activity
Terrain & conditions
16.2 km
Distance
About 2–5 hours by mountain bike depending on fitness, bike choice, weather, and breaks; allow longer if you walk technical pitches.
Est. Time
Gravel roads, forest soil, roots and rock in places, and duckboards over wet ground; expect slower going after rain.
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.
For rules, maps, and up-to-date cycling information for Isojärvi National Park, Metsähallitus (Luontoon.fi) publishes the official cycling section for the destination. The mountain biking route is about 16.2 km as one marked circuit through the park near Kuhmoinen in Central Finland. Visit Kuhmoinen describes it as...
Luontoon.fi – Isojärvi National Park (cycling)+
Description
For rules, maps, and up-to-date cycling information for Isojärvi National Park, Metsähallitus (Luontoon.fi) publishes the official cycling section for the destination. The mountain biking route is about 16.2 km as one marked circuit through the park near Kuhmoinen in Central Finland. Visit Kuhmoinen describes it as a summer 2019-opened riding circuit from Heretty toward Lortikka and back along smaller gravel roads for roughly 16 km total, within about an hour’s drive of Lahti, Tampere, and Jyväskylä. The Metsähallitus mountain biking trail brochure presents the ride as a moderate MTB experience in historic lumberjack landscapes, climbing to rocky heaths and dropping to canyon-valley mires, with terrain markings completed by summer 2019.
In practice the riding is varied: forest paths and gravel, sections with roots and rock, occasional duckboards, and places where less experienced riders may prefer to walk short pitches. Retkipaikka’s ride report from the same route notes 2–5 hour trip times in Luontoon materials, plenty of small lakes and ponds along the way, and the need to watch for hikers on shared connections. Mountain biking elsewhere in the national park is limited to this marked bike route and public roads as stated on visitor pages.
Along the ride you pass the main Heretty cluster (Heretty 1 ja 2, water points, and Heretty P-alueen laajennus parking) at the Kylämäntie gateway, then swing through Nokipohja parkkipaikkka and the Huhtala service area (Huhtala savusauna, Huhtala pysäköintialue, and nearby Kaatvuori pysäköintialue) before reaching Kalalahden kotalaavu, Kalalahti telttailualue, and Kalalahti tuletekopaikka on Kalalahti bay. The Lortikka shore and Isojärven kansallispuiston parkkipaikka area bundle Lortikka vuokratupa, Lortikka saunarakennus, Lortikka laituri, and campfire spots. Vahterjärven laavu and Vahterjärvi tulentekopaikka sit above Vahterjärvi, and Kannuslahti tulipaikka with Kannuslahti puolikota closes the northern lake side toward the return leg.
The same trail hub links to major walking circuits you can combine on foot: Hevosenlenkki, Heretty-Lortikka polku, Kannuslahti luontopolku, Isojärven kansallispuiston reitit, Savottapolku, Lortikka-Huhtala polku, Majavapolku, Jätkän Polku, Kalalahti-Vahterjärvi polku, and Heretty-Kuorejärvi-Vahteri polku. Practical bike and boat hire from Heretty is linked under Where to rent bikes; Visit Kuhmoinen still gives a useful regional overview of the park and services.
Length & route
The mountain biking route is about 16.2 km as one continuous circuit. Official print material and regional tourism text often round the ride to about 16 km. The circuit links Heretty, forest trails toward Lortikka and Kalalahti, and connecting gravel roads back toward the Heretty side as described for visitors.
Getting there
The usual start is the Heretty service area on Kylämäntie 1335 in Kuhmoinen, with parking at Heretty P-alueen laajennus and related Heretty lots. Visit Kuhmoinen describes Isojärvi as reachable by car from Central Finland cities within about an hour and notes rental gear at Heretty. Nokipohja parkkipaikkka, Huhtala pysäköintialue, Kaatvuori pysäköintialue, and Isojärven kansallispuiston parkkipaikka offer additional staging along the circuit depending on direction. Metsähallitus (Luontoon.fi) lists park-wide access guidance on the cycling destination page.
Good to know
Confirm Metsähallitus national park instructions for entrance fees, firewood, campfire sites, and dog rules before you travel. Give space to hikers wherever bike and foot routes meet.
History
Metsähallitus framed the Isojärvi MTB corridor as a ride in the wheel tracks of historic lumberjacks—an intentional landscape story tying modern singletrack and forest roads to the park’s logging heritage. Public-facing marking work for the bike trail was scheduled to finish in summer 2019.
Where to rent bikes
At Heretty (Kylämäntie 1335, Kuhmoinen), Isojärvi Outdoors lists fatbikes, gravel bikes, canoes, kayaks, packrafts, rowing boats, and camping kit on their equipment hire page. The Heretty kämppäkahvila service page publishes example gravel-bike rates (about €35/3h or €45/6h), notes fatbike hire, and gives the on-site phone number.
Guided tours & Experiences
Outdoor Empire Oy sells bookable experiences from the same Heretty base. Fatbikeretki Valkulamminluolalle is a three-hour self-guided package with two fatbikes, a terrain map, and coffee for the cave outing beside the national park (from about €80 for two people). A two-night Isojärvi canoeing trek is offered as a separate paddling product.
Visitor messaging presents the ride as leaving Heretty toward Lortikka and returning on smaller forest roads to complete the circuit. Either traveling direction is possible if you keep to the marked bike route and park rules.
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.