Waterways
Posted: Tue Aug 25, 2026 6:02 pm
Colorado’s river-access rules are relatively protective of private landowners.
The state owns and regulates the water itself—including water rights and beneficial use—but that does not automatically make the riverbed, banks, or surrounding land public.
Under the Colorado Supreme Court’s decision in People v. Emmert, the public generally may not wade, walk, fish from, anchor on, or otherwise touch the bed of a naturally flowing stream where the bed is privately owned unless the landowner gives permission.
Colorado’s constitutional declaration that unappropriated stream water belongs to the public concerns water rights and appropriation; it is not a general recreational-access guarantee.
The practical distinction is between accessing the water and using the waterway. You may generally launch, take out, fish, or wade from a clearly public location—such as a public boat ramp, designated fishing-access site, public park, or land managed by an agency that permits the activity. On public land, access is usually broader, but local closures, permits, seasonal restrictions, and special regulations can apply.
If private property borders the water, do not cross it to reach the river without permission or a recorded/public easement, and do not assume that a public road or public waterway makes adjacent banks or streambeds public.
bettertrail.com
A particularly unsettled issue is whether a person may float continuously through privately owned sections without touching the bed or banks. Colorado law has historically been unclear on the difference between floating and physically entering private property; an Attorney General opinion stated that floating is not criminal trespass, but that opinion is nonbinding and did not resolve potential civil-trespass liability. As a result, the safest approach is to use designated access points, remain within clearly public areas, avoid portaging or stopping on private streambeds, and obtain landowner permission when a route crosses private land.
For planning purposes, check:
The state owns and regulates the water itself—including water rights and beneficial use—but that does not automatically make the riverbed, banks, or surrounding land public.
Under the Colorado Supreme Court’s decision in People v. Emmert, the public generally may not wade, walk, fish from, anchor on, or otherwise touch the bed of a naturally flowing stream where the bed is privately owned unless the landowner gives permission.
Colorado’s constitutional declaration that unappropriated stream water belongs to the public concerns water rights and appropriation; it is not a general recreational-access guarantee.
The practical distinction is between accessing the water and using the waterway. You may generally launch, take out, fish, or wade from a clearly public location—such as a public boat ramp, designated fishing-access site, public park, or land managed by an agency that permits the activity. On public land, access is usually broader, but local closures, permits, seasonal restrictions, and special regulations can apply.
If private property borders the water, do not cross it to reach the river without permission or a recorded/public easement, and do not assume that a public road or public waterway makes adjacent banks or streambeds public.
bettertrail.com
A particularly unsettled issue is whether a person may float continuously through privately owned sections without touching the bed or banks. Colorado law has historically been unclear on the difference between floating and physically entering private property; an Attorney General opinion stated that floating is not criminal trespass, but that opinion is nonbinding and did not resolve potential civil-trespass liability. As a result, the safest approach is to use designated access points, remain within clearly public areas, avoid portaging or stopping on private streambeds, and obtain landowner permission when a route crosses private land.
For planning purposes, check:
- The relevant river-access map from Colorado Parks and Wildlife.
- County and federal land-management maps.
- Posted signs, gates, and closure notices.
Whether the put-in and take-out are reached by public roads or legal easements.
Rules for fishing licenses, boating, camping, fires, and seasonal restrictions.
This is general information rather than legal advice; access can depend on the specific river segment, parcel title, easements, and current court or agency action.