Chatfield State Park

Scenic view of Chatfield Reservoir with open water, shoreline vegetation, and the Rocky Mountain foothills in the background
Scenic view of Chatfield Reservoir with open water, shoreline vegetation, and the Rocky Mountain foothills in the background, By Jeffrey Beall, Wikimedia Commons

Chatfield State Park spreads across more than 5,000 acres along the South Platte River just south of Denver, anchored by a large reservoir that draws visitors from across the Front Range. The park is managed around the Chatfield Reservoir, a flood-control project completed by the Army Corps of Engineers in the 1970s that became one of Colorado’s most-visited state parks. Its proximity to the Denver metro area, combined with a wide range of water and land activities, makes it a year-round destination for families, boaters, birders, and trail users alike.

Boating and Water Recreation

The reservoir covers roughly 1,500 acres of open water, giving boaters, water skiers, kayakers, and paddleboarders plenty of room. Two boat ramps provide lake access, and a marina offers rentals during the warmer months. Swimming is permitted in a designated area on the east side of the reservoir, with a sand beach that fills quickly on summer weekends. The swim beach is open seasonally from Memorial Day through Labor Day, with no lifeguard on duty.

Birding and Wildlife Watching

Chatfield is recognized as one of the top birding destinations along the Colorado Front Range. The cottonwood riparian corridor along the South Platte River, combined with wetland areas and open grasslands, creates habitat diversity that attracts more than 340 recorded bird species. Great blue herons nest in a colony near the river, and bald eagles are commonly spotted in winter months. Migratory shorebirds and waterfowl pass through in spring and fall, and the park draws serious birders from across the region during peak migration windows.

Hiking and Trails

The park contains around 32 miles of trails ranging from flat, paved paths suitable for cyclists and strollers to unpaved natural-surface loops through grassland and riparian zones. The South Platte River trail runs along the river corridor and connects to regional trail systems, making it possible to extend rides or runs well beyond the park boundary. Most trails are open to both hikers and cyclists, and equestrian use is permitted on designated routes as well.

Camping

Chatfield offers one of the largest and most popular campgrounds in the Colorado state park system. The campground includes 197 individual campsites, all with electric hookups, including 146 full-hookup sites. Many sites are positioned near the water or along the river corridor. A group camping area and horse corrals round out the options. Reservations are strongly recommended, particularly from May through Labor Day, as the campground frequently sells out on weekends.

Pet Policy

Leashed pets are welcome throughout most of the park, including on trails, in the campground, and in picnic areas. Leashes must be six feet or shorter and under control at all times. Pets are not permitted in the swim beach area or areas otherwise closed to visitors. The park has pet waste stations at multiple locations, and owners are expected to pack out waste.

Wildlife to Be Aware Of

Visitors may encounter coyotes, mule deer, and red fox near the grassland and riparian edges, particularly in early morning and evening hours. Prairie rattlesnakes are present and most active between April and October, so staying on maintained trails and watching where you step around rocks and brush is important. Bald eagles and great horned owls are common in winter. Avoid feeding any wildlife, and store food securely in camp to avoid attracting coyotes.

Practical Information

Chatfield State Park is located at 11500 N. Roxborough Park Road in Littleton, Colorado, approximately 25 miles south of downtown Denver. From C-470, take the Wadsworth Boulevard exit south and follow signs to the park entrance. Daily vehicle passes range from $12 to $17 depending on license plate residency. The swim beach is open from Memorial Day through Labor Day, and marina services are generally available from April through October. Advance reservations for camping can be made through Colorado Parks and Wildlife online reservation system.

Frequently Asked Questions

How much does it cost to enter Chatfield State Park?

A daily vehicle pass costs $10 per vehicle, or you can purchase an $80 annual Colorado State Parks pass that covers entry to all state parks, though an additional water quality fee applies per Colorado SB23-267.

Are dogs allowed at Chatfield State Park?

Dogs are welcome at Chatfield State Park, but they must be kept leashed and supervised at all times due to coyotes that are common throughout the park, as well as rattlesnakes found on trails and in rocky or brushy areas.

Is there a swim beach at Chatfield Reservoir?

Chatfield has a designated swim beach with a sand beach on the east side of the reservoir, open seasonally from Memorial Day through Labor Day, with no lifeguard on duty.

Can you camp at Chatfield State Park?

Chatfield offers one of the largest campgrounds in the Colorado state park system, with 197 individual campsites all featuring electric hookups, including 146 full-hookup sites, plus a group camping area and horse corrals, though reservations are strongly recommended given its popularity near the Denver metro area.