El Dorado Swimming Beach
El Dorado, Kansas · on Walnut River · El Dorado State Park
Verified · 4 independent sources
- WATER
- reservoir
- ACCESS
- Designated swim area
- FEE
- No fee found
- SEASON
- Varies by conditions
About El Dorado Swimming Beach
El Dorado Swimming Beach is the designated swim beach in the Walnut River area of El Dorado State Park, on the shore of El Dorado Reservoir (a Walnut River impoundment) in Butler County, Kansas, a few miles east of the city of El Dorado. It is one of two developed swim beaches at the 8,000-acre reservoir, managed jointly by the Kansas Department of Wildlife & Parks and the U.S. Army Corps of Engineers (Tulsa District).
The beach sits on El Dorado Reservoir within El Dorado State Park, a 2,000-acre park in Kansas's Flint Hills along the reservoir's shoreline; the surrounding lake and wildlife area covers roughly 12,000 acres combined with 98 miles of shoreline (Wikipedia; ksoutdoors.gov).
Swimming at El Dorado Swimming Beach
Swimming is at an open, developed reservoir beach rather than a river or creek swimming hole -- flat water off a sandy shore, part of a large multi-use lake also used for boating, fishing and water skiing. The Army Corps of Engineers notes zebra mussels are present in the lake and recommends wearing footwear while swimming.
How to get to this swimming hole
Located within El Dorado State Park, about 3 miles east of the city of El Dorado on Highway 54, then 1 mile north, in the park's Walnut River area (ksoutdoors.gov).
The walk in
No real hike here. The water is a short walk from where you park. This is a developed, drive-up reservoir beach with an adjacent parking area -- no trail hike is needed to reach the water. The park does have separate recreational trails nearby not required for beach access, including the Walnut River Trail (2.5 mi, hiking/mountain biking), Teter Nature Trail (~0.75-0.82 mi), Tallgrass Prairie Trail (0.5 mi, paved/ADA), Walnut Ridge Trail (~0.57-0.75 mi), a 1-mile cross-country course, a 2-mile Double Black Diamond bike trail, and the Boulder Bluff Horse Trail (12-15.5 mi); these are independent park attractions, not swim-beach access routes.
Plan your visit
Bringing kids
OK with supervision
A sandy, flat-water reservoir beach (not a plunging swimming hole), which favors easy entry for kids, but the Army Corps of Engineers advises wearing footwear because zebra mussels are present in El Dorado Lake, and no lifeguard presence is documented at this beach in any source found. A 2023 news report (already in prior dossier) documents a near-drowning of a young child at this beach. El Dorado Lake is also subject to Kansas Dept. of Health & Environment blue-green algae Watch/Warning advisories in warm weather, during which KDHE recommends keeping kids (and dogs) fully out of the water -- worth checking current advisory status before a visit.
Parking
Paid, $5/day standard vehicle permit ($3.25/day senior/disabled), or $25/year annual KDWP permit ($13.75/year senior/disabled)
Kansas state parks require a vehicle entrance permit for any car parked in the park, including at day-use swim beaches; permits are sold at the park office (618 NE Bluestem Rd, El Dorado, KS 67042, phone 316-321-7180) or online via KDWP. No beach-specific lot size or surface details were found.
Restrooms
Yes
Not confirmed specifically at the swim beach itself in sources found, but the beach sits within the park's 'Walnut River' area (same name as a developed camping/day-use area 0.2 mi away per RIDB facility data), and El Dorado State Park's camping areas (Bluestem Point, Walnut River, Boulder Bluff, Shady Creek) are generally described as having restroom and shower facilities (per KDWP-derived park listings). Beach-specific restroom siting was not independently verified.
Hours
No dedicated swim-beach hours found. El Dorado State Park office hours are Mon-Fri 8:00 AM-4:00 PM (closed Sat-Sun per office staffing), per ksoutdoors.gov; the park grounds/beach itself were not confirmed to have separate open/close gate hours in sources found.
On the water
El Dorado Lake is a large (8,000-acre) multi-use reservoir described in sourcing as accommodating 'everything from a fishing kayak to a ski boat,' plus water-skiing, jet-skiing, and sailboat racing (the Walnut Valley Sailing Club runs seasonal races on the lake). The lake has six boat ramps with courtesy docks. No swim-beach-specific no-wake zone, electric-only restriction, or launch prohibition was found in the sources reviewed; general KDWP boating regulations apply but were not itemized here.
Rentals nearby
Boat sales, marina/slip services, and boat rentals on El Dorado Lake (full-service marina and dealership for brands including Cobalt, Chaparral, Ranger, and G3 Boats); specific rental watercraft types (e.g., whether kayaks/paddleboards are rented alongside powerboats) could not be itemized because the marina's rental page blocked automated access.
1000 NE Marina Rd, El Dorado, KS 67042, on El Dorado Lake near El Dorado State Park; phone (316) 321-0943. · Reported online as Mon-Thu & Fri 10:00 AM-5:00 PM, Sat 9:00 AM-noon, Sun closed -- worth confirming directly as this is an unusually short weekend schedule for a lake marina.
Backstory
El Dorado Lake was authorized by the Flood Control Act of 1965 and became fully operational in 1981; it absorbed two earlier, smaller reservoirs (the original 1927 El Dorado Lake and 1950s-era Bluestem Lake), whose dams were breached during construction (Wikipedia).
El Dorado Swimming Beach: FAQ
Is El Dorado Swimming Beach kid friendly?
A sandy, flat-water reservoir beach (not a plunging swimming hole), which favors easy entry for kids, but the Army Corps of Engineers advises wearing footwear because zebra mussels are present in El Dorado Lake, and no lifeguard presence is documented at this beach in any source found. A 2023 news report (already in prior dossier) documents a near-drowning of a young child at this beach. El Dorado Lake is also subject to Kansas Dept. of Health & Environment blue-green algae Watch/Warning advisories in warm weather, during which KDHE recommends keeping kids (and dogs) fully out of the water -- worth checking current advisory status before a visit.
Do I need to hike to reach El Dorado Swimming Beach?
No significant hike is required. The swimming area is close to parking and access.
Where do I park for El Dorado Swimming Beach?
Kansas state parks require a vehicle entrance permit for any car parked in the park, including at day-use swim beaches; permits are sold at the park office (618 NE Bluestem Rd, El Dorado, KS 67042, phone 316-321-7180) or online via KDWP. No beach-specific lot size or surface details were found.
Can I bring a kayak or paddleboard to El Dorado Swimming Beach?
El Dorado Lake is a large (8,000-acre) multi-use reservoir described in sourcing as accommodating 'everything from a fishing kayak to a ski boat,' plus water-skiing, jet-skiing, and sailboat racing (the Walnut Valley Sailing Club runs seasonal races on the lake). The lake has six boat ramps with courtesy docks. No swim-beach-specific no-wake zone, electric-only restriction, or launch prohibition was found in the sources reviewed; general KDWP boating regulations apply but were not itemized here.
What are the rules at El Dorado Swimming Beach?
Footwear is recommended while swimming due to zebra mussels in the lake (US Army Corps of Engineers).
What water body is El Dorado Swimming Beach on?
El Dorado Swimming Beach is on Walnut River, a natural reservoir verified in USGS hydrography data.
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