Camp where the pool scene takes place. This pool has since been removed. in episode 3x15 "Tuesday the 17th".
Source: Psych Adventure
Street (just outside the entrance to the park) where Juliet and Lassiter pull over the wrong car in episode 5x13 "We'd Like to Thank the Academy".
Source: Psych Forums
Area where Shawn and Gus go through the SBPD obstacle course & shooting gallery in episode 5x13 "We'd Like to Thank the Academy".