5565 N 51st St, Boulder, CO, United States
An activity laden water Mecca, the Boulder Reservoir is a popular destination for residents during the lazy days of summer. Swimming, sail boarding and fishing are the main activities. For those new to water, instructors offer lessons in water-skiing and boating. Pack a picnic lunch or grab a bite from the snack bar. The white sandy beach is popular with locals for tanning purposes. Leave the dog at home for pets are not allowed on the beach. There is an entrance admission, but free for those fishing or boating: adults $6, kids (ages 3-12) $3, teens (ages 13-18) $4, seniors (60+) $4.