#go to network explorer and type below
wsl$
# This opens the current directory you are in
explorer.exe .
#From win host
Open File Explorer.
Type wsl$<wsl-distro-name> in the address bar.
#From the wsl distro
#You can also map it to a specific folder in the win host if you want (symbolic link)
ls -s /wsl-dir-you-wanna-map /mnt/c/Users/<username>/<desired-path>
#by Leo Av
#Type this:
from explorer wsl$
from shell: explorer.exe
from explorer wsl$
from powershell: cd wsl$<DistributionName>
in my case DistributionName is Ubuntu20.04
wsl$
%LOCALAPPDATA%PackagesCanonicalGroupLimited.UbuntuonWindows_79rhkp1fndgscLocalState
ootfs
C:Users\%USERNAME%AppDataLocalPackagesCanonicalGroupLimited.UbuntuonWindows_79rhkp1fndgscLocalState
ootfs