South Platte Hartsel

Just under two hours from Denver and nestled near Hartsel, Colorado, this mountain meadow property offers peaceful access to both the South Fork (0.75 miles) and the Middle Fork (0.5 miles) of the South Platte River. Two convenient, flat parking areas are available one for each fork with short, easy walks to the water. Access is user-friendly with gentle embankments leading to the river through wide-open fields.

The South Fork section often features mowed paths and includes picnic tables and Adirondack chairs placed riverside—ideal for a midday break or relaxed lunch. The Middle Fork, though slightly wider, has no defined paths, but offers easy wading access and a chance to spot a herd of Tibetan Yaks grazing nearby. This is an active ranch, so expect livestock in the area depending on the time of year.

Guests should adhere to seasonal “Hoot Owl” guidelines in late summer, exiting the river by noon or when temperatures exceed 68°F to help preserve fish health. With dispersed shade, light pressure, and multiple access points, this property is perfect for a quiet day of fishing, or even a longer weekend trip.

Lodging is also available at Hartsel Ranch. Please feel free to reach out, and we’d be happy to connect you directly with the ranch.

Guiding is available on this stretch through their preferred fly shop: Mountain Angler.

The South Fork and Middle Fork of the South Platte River combine here to create a classic high-country freestone experience. Both stretches wind through a high-elevation meadow ecosystem, offering ankle- to waist-deep water—with occasional pools up to 6 feet depending on runoff and seasonal flow. The South Fork features rock-lined streambeds with 2-6 inch stones and slightly steeper banks, which create excellent holding water for trout. The Middle Fork meanders more gradually through wide channels with easier wading access.

Anglers can expect to catch Brown Trout, Rainbow Trout, and Cutbows, with average fish around 10 inches. However, during certain times of year, larger trout may migrate up from nearby Spinney Reservoir, so don’t rule out the potential for a big surprise. A 4-6 wt rod in the 7'6" to 9' range works well, though a 9' 5 wt is ideal for longer casts across the open meadow.

Dry fly, nymph, and terrestrial patterns all have a place here. Productive flies include Elk Hair Caddis, Parachute Adams, Tricos, Prince Nymphs, and Pheasant Tails. Wet wading is a great option during warmer months. With varied structure—riffles, cutbanks, glides, and slow bends—this property provides exceptional versatility and scenic beauty year-round.

Best Fishing Seasons:

Spring (April–June): High flows from snowmelt bring fresh hatches and hungry trout. Expect productive fishing with mayfly and caddis activity.

Summer (July–August): Fish early or late to avoid warm water. Follow Hoot Owl guidelines and focus on hoppers, terrestrials, and dry-dropper rigs.

Fall (September–October): Lower pressure and cooler temps bring aggressive feeding before winter—one of the best times to fish this property.

Winter (November–March): Challenging but rewarding; mid-day warmth can bring active fish to nymphs or small midges.

Always check current flows, weather, and regulations before your trip.

Infinite Outdoors is a technology platform that provides landowners with the ability to list their properties for recreational use and manage them in a conservation minded way. Infinite Outdoors is primarily dedicated to DIY Hunting and Angling, it is the angler's responsibility to be aware of weather, water flow, and river conditions. No refunds will be issued due to unfavorable conditions. It is the angler's responsibility to verify current conditions prior to arrival. Landowner calendars may show availability even when conditions are not favorable for fishing. In such cases, it is the angler's responsibility to check all local rules, regulations, and closures before fishing. Please review the Fishing Information tab for details that may assist in planning your trip. During warmer periods of the year, anglers are advised that early morning fishing generally provides the most favorable conditions.

Although we typically get your booking approved within a few hours, please allow up to 1 business day for booking confirmations.

Sunrise to Sunset

Don’t forget your local fishing license, you can grab one online here.

Check your local flows.

Contact our area fly shop partner, Mountain Angler, for the most up-to-date hatch and fly information.

Know the local regulations.

Fishing Hours: Sunrise to Sunset.

Fishing Season: May - November.

Guiding is allowed but only through Mountain Angler.