No special access issues
🚌 🚆
You can easily reach Schlänggen with the SBB trains and busses. You want to lock for a connection to "Engelberg". From Engelberg take the free bus that drives around the valley destinations. Get off at the last stop called "Talstation Führenalp".
Check the SBB app or webpage for the train connections and the Engelberg webpage for the free bus:
https://www.engelberg.ch/gratis-bus/
🚗 🅿️
Check the map for the options to park. For Schlänggen park at the "Talstation Führenalp".
🥾
From the parking follow the path through the picnic area. Check the gpx track on the map