Hello,
I post 3 screenshots for you to locate it easier :
View 01 : https://www.pixenli.com/image/jXQWLaFt
View 02 : https://www.pixenli.com/image/EvFrVSiq
View 03 : https://www.pixenli.com/image/LzWAo8QB
If you go in this hole, you get definitively stuck !