Buckhorn State Park - United States

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About Buckhorn State Park

RV quick facts for Buckhorn State Park

DetailInformation
Park typeWisconsin state park on a peninsula in Castle Rock Lake
Full hookupsNo full hookups; electric sites available at family campgrounds
Dump stationDump station on site for registered campers
Reservation windowWisconsin State Park System reservations open up to 11 months in advance via the state reservation portal
Cell serviceGenerally usable on major carriers; weaker in wooded interior sites
Road restrictionsPaved park entrance road with gravel campground loops; check individual site length when reserving
State vehicle admissionWisconsin State Park vehicle admission sticker required
PetsLeashed pets allowed in campgrounds and on most trails; not permitted on the swim beach

Best time to visit Buckhorn State Park

Late May through early September offers the warmest weather, open swim beach, and full campground services, making it the prime window for RV travel. June and early September are good shoulder-season choices with fewer crowds and cooler nights. October brings fall color through the oak forest but cooler temperatures and reduced services. Winters are cold with snow cover, and many amenities shut down or operate on a limited basis.

Jan 25 mm
25°F - 7°F

Winter conditions; RV campgrounds closed, limited winter use only

Feb 25 mm
28°F - 10°F

Cold and snowy; RV campgrounds closed

Mar 45 mm
39°F - 21°F

Mud season; campgrounds typically not yet open for the season

Apr 75 mm
55°F - 34°F

Campgrounds generally open by mid to late April, weather dependent

May 95 mm
68°F - 46°F

Spring warm-up; biting insects begin to appear

Jun 120 mm
77°F - 55°F

Warm with peak mosquito activity near wetlands

Jul 110 mm
82°F - 61°F

Peak season; reserve early, beach and lake busiest

Aug 105 mm
79°F - 59°F

Peak season continues with warm lake temperatures

Sep 85 mm
72°F - 50°F

Pleasant shoulder season with fewer crowds

Oct 65 mm
57°F - 37°F

Fall color peak in early to mid October; nights cold

Nov 50 mm
41°F - 27°F

RV campgrounds close for the season; deer hunting access only in designated areas

Dec 30 mm
28°F - 14°F

Winter; RV campgrounds closed, day-use and winter activities only

Things to do at Buckhorn State Park

  • Buckhorn Beach and Swim Area Easy
    RV parking available

    Buckhorn Beach is the park's designated swim area on Castle Rock Lake with sand shoreline and shallow entry. The day-use parking lot accommodates vehicles with trailers and is a short walk to the water. Picnic tables and grills are available nearby.

  • Barrens Nature Trail Easy
    RV parking available

    The Barrens Nature Trail is a short interpretive loop through oak savanna and prairie restoration habitat. Signs describe the fire-dependent ecosystem and the wildlife it supports. The flat surface makes it accessible to most visitors.

  • Turtle Pond Boardwalk Easy
    RV parking available

    The Turtle Pond Boardwalk carries visitors over marsh and open water for close views of turtles, frogs, and wading birds. It is an easy walk suitable for families and a popular spot at dawn and dusk for wildlife photography.

  • Fishing on Castle Rock Lake
    RV parking available

    Castle Rock Lake is a large Wisconsin River flowage known for walleye, musky, northern pike, bass, and panfish. Buckhorn State Park provides a boat landing and shoreline fishing access points within the park. A Wisconsin fishing license is required.

  • Paddling and Kayaking Easy
    RV parking available

    Paddlers can launch kayaks and canoes to explore the park's quiet backwater bays and islands. The sheltered peninsula shoreline offers beginner-friendly water when winds are calm on the main lake. Rentals are available seasonally in the park.

  • Hiking the Park Trails Easy
    RV parking available

    Buckhorn's trail system links the campground, beach, boardwalk, and interpretive areas through pine and oak forest. Most routes are short, flat, and combine well into longer loops for an afternoon outing. Trailheads have parking suitable for tow vehicles.

  • Wildlife Viewing

    The park's mix of lake, marsh, prairie, and forest supports sandhill cranes, bald eagles, white-tailed deer, and a variety of waterfowl. Early morning and evening are the best times to spot wildlife along the boardwalk and quiet shoreline. Binoculars are recommended.

  • Winter Activities

    In winter the park opens for cross-country skiing, snowshoeing, and ice fishing on Castle Rock Lake. Trails are not groomed but are open to self-propelled use when snow cover allows. RV camping is not available in winter.

Top Hosts near WI, United States

John4 trips - Joined Feb 2022

Simply Amazing and super accommodating. I had a very moving schedule due to weather and was flying own aircraft to the site of delivery. Handled my movements and requests graciously and is super lovely RV. Was perfect for our needs and owner is exceptional.

Jason M. - Jul 2025

Everything with this RV was great. Pictures gave a great representation of the vehicle, communication was clear and constant when needed. Would book with them again! Thank you for everything!

Elizabeth D. - Jul 2025

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RV Rentals Buckhorn State Park

Buckhorn State Park, WI, United States

How to get to Buckhorn State Park

The park sits off State Highway 58 near Necedah, roughly a 20 to 30 minute drive north of Wisconsin Dells and about 90 minutes northwest of Madison via I-90/94 and WI-58. From Milwaukee plan on about three hours, and from Minneapolis-Saint Paul about three and a half hours via I-94. Roads into the park are generally flat with no mountain passes or tunnels, though the final county and park roads are two-lane rural routes where RV drivers should watch for soft shoulders and wildlife. The nearest commercial airports for fly-and-rent trips are Central Wisconsin Airport in Mosinee and Dane County Regional in Madison.

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