2026 regulation year
Rio Grande + Conejos + Alamosa + La Jara + San Antonio River headwaters 2026 — Colorado Fishing Regulations
Colorado statewide rules apply unless overridden below.
Last updated
Rio Grande + Conejos + Alamosa + La Jara + San Antonio River headwaters carries a special-regulation overlay on top of Colorado's 2026 fishing rules — covering Cutthroat trout. Verify the agency booklet before launching: in-season changes are not yet wired to this page.
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Per-species rules on Rio Grande + Conejos + Alamosa + La Jara + San Antonio River headwaters
0 / day CATCH-AND-RELEASE-ONLY native Rio Grande cutthroat on listed CPW Native Aquatic Species Reintroduction Program reaches
Official source
Colorado Parks and Wildlife (CPW) publishes the authoritative 2026 Colorado fishing regulations. Special-regulation lakes and rivers are listed in the agency booklet — always verify before fishing.
Visit official Colorado fishing regulations →
Emergency-order channel
In-season closures, slot-limit changes, and run-count-driven harvest pauses are posted to Colorado Parks and Wildlife's emergency-order feed — check it before any Colorado trip during the active season.
Other special-regulation waters in Colorado
- Animas River through Durango
- Antero Reservoir (Park County)
- Arkansas River Leadville to Cañon City
- Bear Creek headwaters
- Big Thompson River + Eagle River + Blue River + Colorado River
- Black Canyon of the Gunnison National Park
- Blue Mesa Reservoir
- Chatfield Reservoir
- Cherry Creek Reservoir
- Conejos River + Animas River + Yampa River + Big Thompson River + Eagle River + Blue River + Colorado River + Gunnison River Gold Medal reaches
- Crawford Reservoir (Delta County)
- Crosho Reservoir (Rio Blanco County)
Frequently asked questions
- What special fishing regulations apply at Rio Grande + Conejos + Alamosa + La Jara + San Antonio River headwaters?
- Rio Grande + Conejos + Alamosa + La Jara + San Antonio River headwaters carries one special-regulation overlay that overrides Colorado's statewide 2026 rules, covering Cutthroat trout. It reads: "0 / day CATCH-AND-RELEASE-ONLY native Rio Grande cutthroat on listed CPW Native Aquatic Species Reintroduction Program reaches." Every overlay on this water body is listed in full above.
- Do I need a fishing license to fish Rio Grande + Conejos + Alamosa + La Jara + San Antonio River headwaters?
- Yes. Rio Grande + Conejos + Alamosa + La Jara + San Antonio River headwaters is in Colorado, so a valid Colorado fishing license is required just as it is anywhere else in the state, issued by Colorado Parks and Wildlife (CPW). The special regulations on this page change the bag, size, slot, or gear rules for San Luis Valley headwaters; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Colorado rules.
- Do Rio Grande + Conejos + Alamosa + La Jara + San Antonio River headwaters' special rules replace Colorado's statewide limits?
- Only where they conflict. Colorado's statewide 2026 regulations apply on San Luis Valley headwaters by default; the overlays above replace the matching statewide rule for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.
- Which species have special rules on San Luis Valley headwaters?
- Cutthroat trout has a water-body-specific rule on Rio Grande + Conejos + Alamosa + La Jara + San Antonio River headwaters, each linking to its full Colorado regulations above. Species not listed here follow the statewide Colorado limits.