overgrown hideout - Help me :-)

How can i find the overgrown hideout ??

Is it posssible to found it on Shaped Maps (Shaped Orchard?)

How many Hit chance do i have to found the Hideout??

When i found this, do i see it on the mini Map like other Hideouts with the blue point on the map or do i need search it?

Sry for my English :-)

Thanks for your helping
Have a nice Day