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Boulder Reservoir Hours and Fees

Gate Hours

Hours subject to change.

Date Incoming Gate Opens Outgoing Gate Closes Swim Beach Hours Boat Rental Hours Concession Stand Hours
January 9 a.m. to 3 p.m. 4 p.m. CLOSED CLOSED CLOSED
February 9 a.m. to 3 p.m. 4 p.m. CLOSED CLOSED CLOSED
March 9 a.m. to 3 p.m. 5 p.m. CLOSED CLOSED CLOSED
April 8 a.m. to 5 p.m. 6 p.m. CLOSED CLOSED CLOSED
May
1 - 15
7 a.m. to 6 p.m. 7 p.m. CLOSED CLOSED CLOSED
May
16 - 22
6 a.m. to 7 p.m. 8 p.m. CLOSED CLOSED CLOSED
May 23 -
Sept. 7
5:30 a.m. to
8 p.m.
9 p.m. Mon - Wed
11 a.m. to
6 p.m.
Thurs - Sun
10 a.m. to
6 p.m.
Mon - Wed
11 a.m. to
6 p.m.
Thurs - Sun
10 a.m. to
6 p.m.
10 a.m. to 6 p.m.
Sept.
8 - 30
7 a.m. to 6 p.m. 7 p.m. CLOSED TBD CLOSED
October 8 a.m. to 5 p.m. 6 p.m. CLOSED CLOSED CLOSED
November 9 a.m. to 4 p.m. 5 p.m. CLOSED CLOSED CLOSED
December 9 a.m. to 3 p.m. 4 p.m. CLOSED CLOSED CLOSED
January 2016 9 a.m. to 3 p.m. 4 p.m. CLOSED CLOSED CLOSED
February 2016 9 a.m. to 3 p.m. 4 p.m. CLOSED CLOSED CLOSED

Entry Fees

Entry fees are charged Memorial Day through Labor Day.  Each person entering the park must pay the entrance fee noted in the fee chart below. Fees are collected for each person entering the reservoir including runners, walkers and cyclists. Additional fees are charged for boat permits.

Age Fee
Youth (3 to 18) $3.75
Adult (19-59) $6.25
Senior (60+) $4.25

See the Splash Pass for information on a summer season pass to the reservoir along with the outdoor pools.

  • Enforcement: All visitors must comply with all park rules and all swimming and boating regulations. Boulder Police will be on site at times to help enforce park regulations and provide public safety and service as needed.
  • Rain Check/Refund Policy: No rain checks will be issued unless a facility is closed due to weather for two or more hours. No rain checks will be issued after 5 p.m.

Boats/watercraft

If you are bringing a boat to the reservoir it must have a valid permit. ONLY small craft permits are available for purchase on-site year-round.

Quiet Hours

All watercraft on reservoir must remain wakeless with the exception of city-sanctioned activities and lake patrol operations.

  • Tuesday 5:30 a.m. -  noon
  • Wednesday 5:30 a.m. - 9 a.m.
  • Thursday 5 pm - 9 p.m.

Dogs

Dogs are not allowed in the park May 15 through Labor Day.

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