Generated South Park meadow-river scene representing the South Fork South Platte below Antero Reservoir, not an exact location photo
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Fly fishing report · West

South Fork South Platte Below Antero

See if South Fork South Platte Below Antero is worth the trip today. Check the current flow, weather, hatches, flies, access, and rules before you go.

Photo: BlueStreamFly Opens in a new tab. · BlueStreamFly generated; not exact location

Good day to fish?Latest river check
Caution

Maybe. Read the cautions first.

Best option: Float. A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.

See update time and confidence
Live data checkMediumHow much of the live flow, weather, and alert data came back.
Today's callLowNo structured live flow
Score calculated Aug 12, 5:23 AM UTCSources checked often
Best way to fishFloat

These scores compare the risks of wading, bank fishing, and floating.

Wade24/100

Wading is the most sensitive plan today. Use protected edges only, avoid crossings, and downgrade quickly if clarity or current feels wrong.

Bank / edgeCheck

This report does not describe this as a primary mode. Verify legal access, depth, launches, and retreat options before planning around it.

Float · Best fit50/100

A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.

Your plan

Keep today simple.

The South Fork below Antero is most useful when flows are stable enough to leave distinct seams, the wind is manageable, and you respect how limited the legal access footprint can be. The better days come from working posted easement water carefully instead of wandering the valley and guessing where public fishing begins.

  1. 1
    Start here

    Park only where the easement or SWA rules clearly allow it, then fish one legal corridor thoroughly before moving.

  2. 2
    Watch the water

    Use wind direction to choose banks that let you control the first drift instead of fighting the whole valley.

  3. 3
    Make one change

    Stay bank-focused because the best trout lies are often close to undercut structure and because property limits make long wandering sessions less productive.

Live river check

What the river is doing

Check the latest flow and weather before you go. A quick change can make the river harder or less safe to fish.

Loading current flow and weather.

About the river reading

No structured USGS gauge is attached.

The report has flow references but no reviewed structured USGS mapping; the relationship remains unknown. Other local gauges may exist, so use this as a starting point.

See how this gauge was matched

How to fish it

Start with the water in front of you.

This is usually a shoulder-season through fall wading plan for anglers who want technical meadow-river trout water without the broader crowds of Deckers. Wind, spring runoff, and ambiguous property lines all reduce the value of forcing a full-day commitment.

Use the river's pace, depth, and cover to choose your first move.
01

Stable moderate flow

Best for reading cutbanks, soft seams, and short drifts without forcing long crossings.

02

Low clear flow

Fish small flies, longer leaders, and a very low profile because the meadow setting exposes every mistake.

03

Runoff or dam-change push

Treat the reach as a scouting stop or skip it rather than gambling on soft edges that are no longer really fishable.

Why the score changed
FlowUse caution

RiverReports is linked for the flow chart, but this page does not have a structured live flow value the score can read automatically. Treat the rating as conservative and open the chart before committing.

Best mode nowUse caution

Float: A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.

SeasonHelps

Summer: Good on cooler mornings and stable-release days, but midday wind can narrow the best window quickly.

WeatherHelps

The NWS forecast is about 58F with Mostly Cloudy.

Public alertsHelps

No active NWS alert was returned for this forecast point.

More trip notes
Best flows

Stable moderate flows that keep cutbanks, riffle edges, and meadow seams distinct without erasing the softer holding water.

When to leave

Skip when South Park wind overwhelms presentation, when runoff or release changes bury the banks, or when you cannot confirm the easement you plan to use.

Local plan

Start with one CPW access point, fish the best bank structure close to the legal corridor, and keep a canyon backup ready if wind or water shape turns against you.

Backup water

If this reach gets too windy or vague on access, pivot to Eleven Mile Canyon or the broader Deckers South Platte corridor.

What to try

Start small. Change with the river.

Match the time of year, then let rising fish and current speed guide the next change.

Start with one change at a time. The river will tell you more than a crowded fly box.

Access and safety

Check access before you go.

Use these places as starting points, then open the access link and check signs. Colorado special regulations on the South Fork South Platte in Park County are protective and reach-specific. Artificial flies and lures only apply on the below-Antero and lower South Fork sections, and trout return and size-limit rules change by subsection. Check the current Colorado special-regulations page before fishing.

Badger Basin SWA

The main below-Antero public fishing anchor with fenced and posted easement access and designated parking only.

Knight-Imler SWA fishing easement

A narrower public easement where access is limited to within 25 feet of the stream centerline.

Hartsel corridor staging

Useful for supplies and weather decisions before you commit to the open South Park valley.

Badger Basin SWA is open for fishing only, with access limited to the fenced and posted easement and parking only in designated areas.

Knight-Imler is not a roam-anywhere property; the easement rule is tight enough that anglers should review the map before arrival.

Compare another river

If this water does not fit the day, check another report before you start the drive.

Official river links

Check rules, closures, flow, weather, and access at the source. The agency has the final say.

Trip notes checked . Live flow and weather update above. Official links checked on the date shown with each link.

Reviewed by BlueStreamFly source review. See how we check river reports.

Rules and closures

Check what is allowed and whether a rule or closure affects your reach.

Fishing rules: Reviewed linkClosures: No reviewed link found
Fishing rulesColorado Parks and Wildlife fishing regulationsColorado Parks and WildlifeReviewed Aug 10, 2026Opens the official source in a new tab.
How we checked this source for Colorado Parks and Wildlife fishing regulations

Status: We reviewed this link. Open it for the latest information.

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Use this for: fishing rules

Area covered: Statewide: Colorado

Keep in mind: Rules can change by season and river section. Read the source before you fish.

Show 1 more link in Rules and closures

Flow and weather

Check the latest river reading and forecast before you leave.

River level: No reviewed link foundWeather: Reviewed link
WeatherNWS forecast for South Fork South Platte below AnteroNational Weather ServiceReviewed May 31, 2026Opens the official source in a new tab.
How we checked this source for NWS forecast for South Fork South Platte below Antero

Status: We reviewed this link. Open it for the latest information.

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Use this for: weather

Area covered: Map point: South Fork South Platte below Antero forecast point

Keep in mind: Weather can change quickly and may be different along other parts of the river.

Show 1 more link in Flow and weather

Access and land

Check public entry, land rules, parking, and seasonal access.

Public access: Reviewed link
Public accessColorado Parks and Wildlife: Antero State Trust LandColorado Parks and WildlifeReviewed May 31, 2026Opens the official source in a new tab.
How we checked this source for Colorado Parks and Wildlife: Antero State Trust Land

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Use this for: public access

Area covered: This report: South Fork South Platte Below Antero report reach

Keep in mind: Access can change. Follow posted signs, respect closures, and stay on public land.

Show 2 more links in Access and land
Public accessColorado Parks and Wildlife: Badger Basin SWAColorado Parks and WildlifeReviewed May 31, 2026Opens the official source in a new tab.
How we checked this source for Colorado Parks and Wildlife: Badger Basin SWA

Status: We reviewed this link. Open it for the latest information.

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Use this for: public access

Area covered: This report: South Fork South Platte Below Antero report reach

Keep in mind: Access can change. Follow posted signs, respect closures, and stay on public land.

Public accessColorado Parks and Wildlife: Knight-Imler SWA fishing easementColorado Parks and WildlifeReviewed May 31, 2026Opens the official source in a new tab.
How we checked this source for Colorado Parks and Wildlife: Knight-Imler SWA fishing easement

Status: We reviewed this link. Open it for the latest information.

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Use this for: public access

Area covered: This report: South Fork South Platte Below Antero report reach

Keep in mind: Access can change. Follow posted signs, respect closures, and stay on public land.

See which kinds of links we found
River levelNo reviewed link found

We did not find a reviewed river-level link for this page. Look for an official gauge before you use the water.

WeatherReviewed link

We reviewed a weather link. Open it for the latest details.

Public accessReviewed link

We reviewed a public access link. Open it for the latest details.

Fishing rulesReviewed link

We reviewed a fishing rules link. Open it for the latest details.

ClosuresNo reviewed link found

We did not find a separate reviewed closure page. This does not mean the river is open. Check the fishing rules and agency alerts.

Local conservationNot yet confirmed

We have not confirmed a reviewed local river group link. Check the right agency before you rely on it.

Open this river in the Official River Sourcebook

See something wrong? Report a source or reach correction. Send public-source corrections only. Do not submit private access notes, exact private spots, pins, marker IDs, user IDs, photo locations, or private media.

Quick answers

Before you leave.

Is this the same as the Deckers South Platte?

No. This page is for the South Fork South Platte below Antero in South Park, not the Deckers and Cheesman corridor farther downstream.

What access should I trust first?

Start with the CPW Badger Basin and Knight-Imler pages because they describe the public easements and parking limits that matter most here.

When should I skip this reach?

Skip when strong wind ruins line control, when flows remove the softer meadow seams, or when you are unsure about the easement boundaries you plan to fish.