Arroyo del Oso isn't necessarily a tough course. Its features — which include large greens, rolling fairways, three water-hole obstacles, and sand traps — meet the needs of intermediate and advanced players The course opened in 1965. A 9-hole addition named "Dam 9" was constructed in 1987, giving Arroyo del Oso its 27 holes. Arroyo del Oso's primary course is 6,545 yards Par 72 for men, and 6,015 yards Par 73 for women. The Dam 9 plays to a Par 36 at 3,300 yards, crossing the Bear Canyon Arroyo three times. In 1981, Golf Digest Magazine rated Arroyo del Oso among the top 50 Municipal Golf Courses in the nation.