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2026 Passes are Now Available for Purchase/Renewal To renew a pass, use this link to go to Membership Renewal.
The 2nd Car - Union Reservoir Vehicle Season Pass is a season pass that is only available to households who also have purchased a 1st Car -Union Reservoir Vehicle Season Pass. It is available to adults ages 16-54. For 2026: passes are valid from date of purchase in 2026 through February 28, 2027.

2026 Passes are Now Available for Purchase/Renewal <To renew a pass, use this link to go to Membership Renewal.
The 2nd Car - Senior/Disabled Union Reservoir Vehicle Season Pass is a season pass that is only available to households who have purchased a 1st Car - Union Reservoir Season Vehicle Pass. It is available to seniors ages 55 and older, and individuals of any age who are disabled. For 2026: passes are valid from date of purchase in 2026 through February 28, 2027.

2026 Passes are Now Available for Renewal To renew a pass, use this link to go to Membership Renewal.
Sailing Club Boat Storage is limited to Sailing Club Members who have had boat storage in 2025 and who are renewing their agreement for 2026. Please note: all renewing households MUST use their established accounts in order to renew their boat storage. If you do not know what your account/username is, please contact Recreation Services at 303-651-8404 or 303-774-4800 or at RecSupport@longmontcolorado.gov in order to have your information emailed to you.

For Sailing Club Union Boat Storage, the family member must also purchase a Vehicle Pass & a Trailered Boat Pass. Note: the Sailing Club Boat Storage Pass is a no-cost renewal as the annual fee is paid directly to the Sailing Club. No Boat Storage sticker will be issued: your trailered boat sticker will double as your Union Sailing Club storage sticker.

2026 Passes are Now Available for Renewal To renew a pass, use this link to go to Membership Renewal.
Sculling Boat Storage at Union Reservoir is limited to individuals of the Sculling Club who have had boat storage in 2025 and who are renewing their agreement for 2026. Please note: all renewing households MUST use their established accounts in order to renew their boat storage. If you do not know what your account/username is, please contact Recreation Services at 303-651-8404 or 303-774-4800 or at RecSupport@longmontcolorado.gov in order to have your information emailed to you. To renew Sculling Boat Storage, the family member must also possess a Vehicle Pass.

2026 Passes are Now Available for Renewal To renew a pass, use this link to go to Membership Renewal.
Public Boat Storage is available at Union Reservoir with limited spots available: at this time, annual boat storage passes is limited to individuals who have had boat storage in 2025 and who are renewing their agreement for 2026. For Public Boat Storage at Union Reservoir, the family member must also purchase a Vehicle Pass and a Trailered Boat Pass.

Please note: all renewing households MUST use their established accounts in order to renew their boat storage. If you do not know what your account/username is, please contact Recreation Services at 303-651-8404 or 303-774-4800 or at RecSupport@longmontcolorado.gov in order to have your information emailed to you.

2026 Passes are Now Available for Purchase/Renewal To renew a pass, use this link to go to Membership Renewal.
The 1st Car - Union Reservoir Vehicle Season Pass is a season pass available to adults ages 16-54. For 2026: passes are valid from date of purchase in 2026 through February 28, 2027.

For all Union Reservoir Season Passes:
• Passes are non-transferable and non-refundable. The State Parks Pass is NOT accepted at Union Reservoir.
• Passes do not guarantee or provide preferred entry status. There is a one-in, one-out policy in effect when at full capacity.
• A season pass does not cover entrance into Union Reservoir during special events or when Union Reservoir is closed for all or part of the day. See dates online at https://www.longmontcolorado.gov/departments/departments-n-z/parks-open-space-and-trails/directory-of-parks-trails/union-reservoir-park/fees-and-hours-at-union
• Longmont residents who desire resident pricing must show proof of a city of Longmont Utility Bill or Longmont lease agreement at time of sticker pick-up.
• Please note that water levels fluctuate and that water levels are not guaranteed.

A vehicle season pass does not include bringing in personal watercraft: paddle boards, kayaks, canoes, sailboards. A separate daily or seasonal watercraft pass is required in addition to a vehicle season pass to bring any type or number of personal watercraft that the pass-holding vehicle carries.

2026 Passes are now Available for Purchase/Renewal. To renew a pass, use this link to go to Membership Renewal.
The 1st Car - Senior/Disabled Union Reservoir Vehicle Season Pass is a season pass only available to seniors ages 55 and over, and individuals of any age that are disabled. For 2026: passes are valid from date of purchase in 2026 through February 28, 2027.

For all Union Reservoir Season Passes:
• Passes are non-transferable and non-refundable. The State Parks Pass is NOT accepted at Union Reservoir.
• Passes do not guarantee or provide preferred entry status. There is a one-in, one-out policy in effect when at full capacity.
• A season pass does not cover entrance into Union Reservoir during special events or when Union Reservoir is closed for all or part of the day. See dates online at https://www.longmontcolorado.gov/departments/departments-n-z/parks-open-space-and-trails/directory-of-parks-trails/union-reservoir-park/fees-and-hours-at-union
• Longmont residents who desire resident pricing must show proof of a city of Longmont Utility Bill or Longmont lease agreement at time of sticker pick-up.
• Please note that water levels fluctuate and that water levels are not guaranteed.

A vehicle season pass does not include bringing in personal watercraft: paddle boards, kayaks, canoes, sailboards. A separate daily or seasonal watercraft pass is required in addition to a vehicle season pass to bring any type or number of personal watercraft that the pass-holding vehicle carries.

2026 Passes are Now Available for Purchase/Renewal To renew a pass, use this link to go to Membership Renewal.
The Union Reservoir Trailered Boat Season Pass is a boat season pass is that is only available to individuals who have a current Union Reservoir Vehicle Season Pass. The Trailered Boat Pass is for crafts larger than paddleboards, kayaks, and canoes. All boats with a sail or motor must be licensed with the state of CO and display a CL number on each side of the vessel. The Trailered Boat Pass is the appropriate pass for individuals seeking a Boat Season Pass. Aquatic Nuisance Species inspections by a ranger are required prior to entering the water. Boats must be clean, drained, and dry before launching.

The 2nd Trailered Boat - Union Reservoir Season Pass is a boat season pass is that is only available to individuals who have a current 1st Trailered Boat - Union Reservoir Season Pass (i.e. one vehicle pass yet have two different trailered boats to choose between bringing/launching). If you have more than two trailered boats season passes to purchase for a single family member, please contact staff at Union@LongmontColorado.gov or at 303-772-1265 for assistance.

2026 Passes are Now Available for Purchase/Renewal To renew a pass, use this link to go to Membership Renewal.
This Watercraft - Union Reservoir Seasonal Pass is used along with a vehicle season pass. The Watercraft Pass allows up to 5 personal watercraft inside or on top of a pass-holding vehicle. It is a supplemental vehicle pass. Please note: there is NO water access prior to March 1.