It is a popular fishing area, known for its abundant fish species, including rainbow trout, brown trout, and kokanee salmon. Nearby activities include hiking, camping, and birdwatching. Fishing tips for this area include using lures that imitate small fish, as the trout tend to feed on baitfish. The best time to visit is in the summer, when temperatures average around 70 degrees Fahrenheit. Overall, Deep Slough Reservoir is a great destination for outdoor enthusiasts and fishing enthusiasts alike.