Iso Linnamäki polku 1 is a very short hiking loop on Iso Linnamäki (Great Castle Hill) beside Old Porvoo and the Porvoo River in Porvoo, Uusimaa. It is the first numbered strand in the same compact path network as Iso Linnamäki polku 2 through Iso Linnamäki polku 5, Iso Linnamäki alavallin polku on the lower rampart ri...
Either direction suits this tiny loop; pick up neighbour paths clockwise or counter-clockwise depending on where you join the crown.
Route direction
Open / Good Condition
Open / Good Condition
Run
Activity
Hike / Walk
Activity
0 km
Distance
About 5–10 minutes for this loop and a few photos; allow 20–40 minutes if you also stitch Iso Linnamäki ylävallin polku, Iso Linnamäki alavallin polku, and other Iso Linnamäki polku segments.
Est. Time
Dirt
Surface
Loop
Route Type
Moderate Traffic
Traffic
Partial Shade
Shade
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Our data was researched from Porvoo, 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.