No special access issues
It is possible to access the cliff from several parking lots. The nicest and simplest is the one from Hummelmora parking.
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Drive E18. At exit 155, turn off towards Viksjö. Follow Viksjöleden 3.2 km and turn left in the second roundabout, onto Hummelmoravägen. After 800 m, turn right onto Vattenverksvägen. After another 800 meters you turn left, where there is a large parking lot.
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Step over the fence into the pasture and follow the signposted hiking trail (orange) towards Gåseborg about 1 km. A sign will eventually point to Gåseborg. You can also cross the pasture down to the water and follow a nice path that goes closer along the lake (finest).
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Public transportations: Commuter train to Barkarby. Bus 553 to eg Dragspelsvägen.
The crag is located in Görväln nature reserve along the eastern shore of Mälaren.
Download Regulations (only in swedish).
https://www.jarfalla.se/download/18.640dac6b1300db73e7c800014623/gorvalns_naturreservat_hemsideversion.pdf