The juvenile Franklin's Gull continues at the northeastern corner of the south pond at the Napa sewage ponds, located at 1515 Soscol Ferry Rd.
The ponds are open to birders weekdays 8:30-4:00. The gate at the end of the town road presents signage telling you not to proceed. Ignore these, continue to the main office to sign in. Private vehicles are prohibited inside the facility around the ponds. Your visit will be entirely on foot. Visitors must also sign out.