areas of the refuge are closed to public entry unless otherwise
explicitly posted as a wildlife observation area, nature trail, or
parking lot. Some areas are closed seasonally and are posted as such.
The following rules apply except where otherwise posted:
Visitors to National Wildlife Refuges must comply with all applicable local, State, Federal regulations and signs.
San Luis NWR, Merced NWR, and San Joaquin River NWR are open daily from
one-half hour before sunrise to one-half hour after sunset.
Fees – There are no fees to use the nature trails or parking lots.
Permits – There are no permits required to use the nature trails or parking lots.
A refuge specific Special Use Permit
(SUP) is required to enter closed areas or conduct activities that are
otherwise prohibited (ex. wildlife trapping and tagging). For more
information contact the refuge manager for the area where the proposed
activity will occur at the San Luis NWR Complex Headquarters: (209)
No Hunting or Fishing - Hunting and Fishing is not allowed at the San Joaquin River NWR.
Please visit the following links for more information about rules and regulations pertaining to:
Open Areas and Closed Areas
Permitted Activities and Prohibited Activities
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Riparian brush rabbits are possibly California's most endangered mammal. By the 1990s, their numbers dwindled to near extinction due to habitat loss and degradation. The Refuge is home to the largest wild population of riparian brush rabbits in the world.