Ralph Price Reservoir Fishing Program

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NOTICE: After serve damage to Button Rock Preserve in the September 2013 flood, it reopened to the public on June 17, 2015. Some flood recovery projects are ongoing in the area; visitors are asked to watch for and respect areas posted as closed. Read the news release to learn more.

License & Permit Required

A Colorado Parks & Wildlife fishing license is required at all City of Longmont fishing areas. An additional, special permit from the City of Longmont is required at Ralph Price Reservoir inside Button Rock Preserve. See details below on cost and purchase options.

2017 Ralph Price Reservoir Fishing Permits

Annual Permit

  • Available for purchase: Monday, April 3 - October 31, 2017 or until sold out
    • sold in Longmont and Lyons (see chart below for addresses)
    • sales begin at 8 a.m. on April 3, 2017
  • Fishing season: May 1 - October 31
  • Cost per permit: $20.00 Longmont/Lyons water utility customer; $30.00 non-Longmont/Lyons water utility customer
  • Quantity available: 600 (500 in Longmont,100 in Lyons)

Single Day Permit

  • Available for purchase: Thursday, June 1 - September 30, 2017 or until sold out
    • sold ONLY in Longmont
    • sales begin at 8 a.m. on June 1, 2017
  • Fishing season: June 1 - September 30
  • Cost per permit: $10.00
  • Quantity available: 100

 Roosevelt Park Memorial Building 
 Lyons Town Hall
 700 Longs Peak Avenue, Longmont, CO 80501
 432 5th Avenue, Lyons, CO 80540
 303-651-8404      303-823-6622
 Payment Accepted: Cash/Check/Credit Card
 Payment Accepted: Cash/Check

Special Notes

Anglers may purchase up to four Ralph Price Reservoir fishing permits (annual or daily), but must present a current, valid Colorado Parks & Wildlife fishing license for each permit purchased; no photocopies will be accepted.
Youth 15 years or under may fish at Ralph Price Reservoir without a City of Longmont permit provided they are accompanied by a valid, Ralph Price Reservoir fishing permit holder.

Colorado Parks & Wildlife Regulations for Ralph Price Reservoir

  1. Possession and bag limit for trout shall be two trout.
  2. Tackle restricted to artificial flies and lures only.
  3. Fishing is prohibited from November 1 through April 30 each year.
  4. Boating and all floating devices are prohibited.
  5. Bow and spear fishing is prohibited.
  6. Fishing shall be prohibited on the dam and around the reservoir as posted.
  7. All Tiger Muskies less than 36 inches must be returned to the water immediately.

Visit the Button Rock Preserve webpage to see general preserve rules and regulations.


If you have additional questions, please contact Parks,Open Space & Trails.

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