2025 Special Event and Staff Training Listings

Information is currently being added to the 2025 Special Event Calendar. All information is subject to change with little or no notice. Closure means limited to no access to the designated area.

February

Details

Impacts

  • No wake water closure

April

Details

Impacts

  • Use of reservoir roads for participants
  • Use of overflow parking lots
  • Use of dam roads for participants
  • Use of county roads for participants

Details

Impacts

  • Use of roads for participants
  • Use of dam roads for participants

May

Details

Impacts

  • Use of reservoir roads for participants
  • Use of dam roads for participants

Details

Impacts

  • Use of roads for participants
  • Use of dam roads for participants

Details

Impacts

  • Use of county roads for participants
  • Use of dam roads for participants
  • Use of overflow lots

Details

Impacts

  • Use of roads for participants
  • Use of dam roads for participants

Impacts

  • Full facility closure beginning at 5 p.m.
  • Entry gate closed at 4 p.m.
  • Swim beach closed at 5:30 p.m.
  • Water closed at 5:30 p.m.
  • Facility closed at 6 p.m.

Details

Impacts

  • Use of roads for participants
  • Use of dam roads for participants

Details

Impacts

  • No wake water closure
  • Use of roads for participants
  • Use of dam roads for participants

June

Details

Impacts

  • No wake water closure
  • No watercraft through the gate until 11 a.m.
  • Use of reservoir roads for participants
  • Use of overflow parking lots
  • Use of dam roads for participants
  • Use of county roads for participants
  • No sailboat ramp access until 9 a.m.
  • No dock access until 9:30 a.m.

Details

Impacts

  • No wake water closure
  • Use of roads for participants
  • Use of dam roads for participants

Details

Impacts

  • Full facility closure beginning at 11 a.m.
  • Use of overflow parking lot
  • Use of county roads for participants
  • No sailboat or power boat ramp access
  • No dock access after 11 a.m.

Details

Impacts

  • Full facility closure all day
  • Use of overflow parking lot
  • No sailboat or power boat ramp access
  • No dock access

Details

Impacts

  • Full facility closure all day
  • Use of overflow parking lot
  • Use of Dam roads for participants
  • Use of county roads for participants
  • County road closure
  • No sailboat or power boat ramp access
  • No dock access

Details

Impacts

  • No wake water closure
  • Use of roads for participants
  • Use of dam roads for participants

Impacts

  • Full facility closure beginning at 5 p.m.
  • Entry gate closed at 5 p.m.
  • Swim beach closed at 5:30 p.m.
  • Water closed at 5:30 p.m.
  • Facility closed at 6 p.m.

Details

Impacts

  • No wake water closure
  • Use of roads for participants
  • Use of dam roads for participants

Details

Impacts

  • No wake water closure
  • No watercraft through the gate until 11 a.m.
  • Use of reservoir roads for participants
  • Use of overflow parking lots
  • Use of dam roads for participants
  • Use of county roads for participants
  • No sailboat ramp access until 9 a.m.
  • No dock access until 9:30 a.m.

Details

Impacts

  • No wake water closure
  • Use of roads for participants
  • Use of dam roads for participants

July

Details

  • Time: 6 a.m. to 4 p.m.

Details

Impacts

  • No wake water closure
  • Use of roads for participants
  • Use of dam roads for participants

Details

Impacts

  • No wake water closure
  • No watercraft through gate until 11 a.m.
  • Use of reservoir roads for participants
  • Use of overflow parking lots
  • Use of dam roads for participants
  • Use of county roads for participants

Impacts

  • Full facility closure beginning at 5 p.m.
  • Entry gate closed at 5 p.m.
  • Swim beach closed at 5:30 p.m.
  • Water closed at 5:30 p.m.
  • Facility closed at 6 p.m.

Details

Impacts

  • No wake water closure
  • Use of roads for participants
  • Use of dam roads for participants

Details

Impacts

  • No wake water closure
  • No watercraft through gate until noon
  • Use of reservoir roads for participants
  • Use of overflow parking lots
  • Use of dam roads for participants
  • Use of county roads for participants
  • No sailboat or power boat access until 9:30 a.m.
  • No dock access until 9:30 a.m.

Details

Impacts

  • No wake water closure
  • Use of roads for participants
  • Use of dam roads for participants

August

Details

Impacts

  • No wake water closure
  • Use of roads for participants
  • Use of dam roads for participants

Details

Impacts

  • Use of reservoir roads for participants
  • Use of overflow parking lots
  • Use of dam roads for participants
  • Use of county roads for participants

Details

Impacts

  • No wake water closure
  • Use of roads for participants
  • Use of dam roads for participants

Details

Impacts

  • Full road closure from 6 to 8:15 a.m.
  • No wake water closure
  • No watercraft through gate until 10 a.m.
  • Use of reservoir roads for participants
  • Use of overflow parking lots
  • Use of dam roads for participants
  • Use of county roads for participants
  • No sailboat or power boat access until 9:30 a.m.
  • No dock access until 9:30 a.m.

Impacts

  • Full facility closure beginning at 5 p.m.
  • Entry gate closed at 5 p.m.
  • Swim beach closed at 5:30 p.m.
  • Water closed at 5:30 p.m.
  • Facility closed at 6 p.m.

Details

Impacts

  • No wake water closure
  • No watercraft through gate until 11 a.m.
  • Use of reservoir roads for participants
  • Use of overflow parking lots
  • Use of dam roads for participants
  • Use of county roads for participants
  • No sailboat access until 9 a.m.
  • No dock access until 9:30 a.m.

September

Details

Impacts

  • No wake water closure
  • No watercraft through gate until 11 a.m.
  • Use of reservoir roads for participants
  • Use of overflow parking lots
  • Use of dam roads for participants
  • Use of county roads for participants
  • No sailboat or power boat ramp access until 9 a.m.
  • No dock access until 9:30 a.m.

Details

Impacts

  • Use of reservoir roads for participants
  • Use of overflow parking lots

  • Use of dam roads for participants

Special Events at the Boulder Reservoir

Special Event:

A planned and promoted public activity conducted on public property, that requires a City of Boulder Special event permit, when the expected number of participants and spectators totals 50 or more people; and/or uses tents structures and/or sound amplification; and/or when providing, selling or distributing alcohol and or food the public; and/or uses public right of ways, and/or impacting vehicle, bike or bus traffic within reservoir property lines. This includes but is not limited to ; athletic events, walking events, boating events, festivals, parades, etc.

Types of Special Events

Special events are categorized based on expected number of participants:

  • Small: 0 - 200 participants
  • Medium: 201-999 participants (25 maximum per year)
  • Large: 1,000 - 3,000 participants (5 maximum per year)
  • Signature: 3,000+ participants (3 maximum per year)

Notification of Special Events (Medium, Large and Signature)

Private Events at the Boulder Reservoir

Private Event:

A planned private event - attendees are by invite only with controlled or ticketed entry. These events not open to the everyone. This may include but are not limited to; weddings, corporate parties, family gatherings, celebrations etc.

We do not post private events to the listing above.