Upper Otay was opened to the public in April 1996. Prior to that it had been closed to all fishing since it was established as a natural hatchery for the propagation and introduction of Florida-strain largemouth bass in 1959. When full Upper Otay Reservoir offers 20 surface acres. Water levels are monitored weekly. There are no barbecues or picnic tables at Upper Otay.
Patrons can bring self-contained barbecues for use in designated areas only.
No ground fires or glass containers are allowed. Dogs must be kept on a leash at all times and at least 50 feet away from the water. Upper Otay offers fishing for Florida-strain largemouth bass, bluegill, bullhead and trout planted in January. Fish catch information is updated weekly. Patrons can float tube or fish from shore, no boats allowed.