All interests not transferred and conveyed by the instrument creating the greenway easement shall remain in the grantor of the greenway easement, including the right to engage in all uses of the land not affected by the greenway easement nor prohibited by the greenway easement or by law.
Source:
Section 816.58, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CIV§ionNum=816.58..