🌤 Weather at Fontainebleau State Park by season
| Spring | Summer | Fall | Winter |
|---|---|---|---|
| 49–84 °F | 69–90 °F | 47–87 °F | 40–66 °F |
Each range runs from the coldest monthly average low to the warmest monthly average high in that season (1991-2020 climate normals), measured at Covington 4 NNW, 13 mi away, elevation 40 ft. Conditions at the park can differ from the station, especially where elevation differs — check a forecast before you go.
🦢 Trusted Guide to Louisiana’s Lakeside Treasure – Updated 2025
Where Bayou Country Meets Lake Pontchartrain
Spread across 2,800 acres along the northern shore of Lake Pontchartrain in Mandeville, St. Tammany Parish, Fontainebleau State Park blends Louisiana’s plantation history with exceptional natural beauty. The park takes its name from the French royal palace — a fitting comparison for these grounds, which once served as Bernard de Marigny de Mandeville’s sugar plantation in the early 1800s. Today, the crumbling brick ruins of his 1829 sugar mill stand as atmospheric reminders of antebellum Louisiana, while over 400 bird species, miles of trails, and a sandy Lake Pontchartrain beach make this one of the most diverse state parks in the Gulf South.
Sugar Mill Ruins & History
The atmospheric brick sugar mill ruins date to 1829 and represent one of the most photogenic historic sites in Louisiana’s state park system. Built by Mandeville himself — the town’s founder and one of New Orleans’ most colorful characters — the ruins stand draped in Spanish moss beneath live oaks. Interpretive signage explains the plantation’s history and the sugar production process that once drove this region’s economy.
A Birder’s Paradise
Fontainebleau’s position between Lake Pontchartrain, Bayou Cane, and Bayou Castine creates intersecting habitats that support over 400 species of birds and other animals. Spring and fall migrations bring spectacular concentrations of warblers, tanagers, and shorebirds. Year-round residents include herons, egrets, ospreys, and woodpeckers. The park is a recognized birding hotspot that draws enthusiasts from across the Gulf Coast.
Trails & Tammany Trace
A 1.25-mile nature trail with interpretive signs winds through the park’s pine flatwoods and hardwood hammocks, while a 4.8-mile hiking trail extends to Bayou Cane through more remote forest. The park also connects to the Tammany Trace, a converted rail-trail popular with cyclists and joggers that stretches 31 miles across St. Tammany Parish — one of the best paved recreational trails in Louisiana.
Beach & Water Activities
The park’s sandy Lake Pontchartrain beach offers swimming and relaxing against a broad lake horizon. Kayak rentals provide access to quiet bayou paddling through cypress-tupelo swamps teeming with wildlife. The lake’s gentle waves and shallow waters make this a family-friendly waterfront experience.
Camping & Lodging
Choose from 96 premium campsites with full hookups, 37 unimproved sites, primitive group camping areas, 12 deluxe cabins, and a lodge — accommodations ranging from rustic to comfortable. The campground’s live oak canopy provides welcome shade in Louisiana’s warm months.
Practical Tips
- From New Orleans (30 miles): Cross the Lake Pontchartrain Causeway, then take US-190 East to the park
- Entry fee: $3 per person (ages 13+)
- Best birding: April-May and September-October for peak migration — bring binoculars and patience
- The Tammany Trace trailhead at the park is perfect for cycling — rent bikes in nearby Mandeville
- Mosquitoes are fierce in summer — pack effective repellent or plan visits for cooler months
- The sugar mill ruins are most photogenic in late afternoon light when Spanish moss catches golden rays
- Combine with the charming Mandeville Lakefront and Old Mandeville shops for a full-day experience
Explore More Louisiana State Parks
Fontainebleau State Park is one of many outstanding state parks in Louisiana. Discover more parks in our Best State Parks in Louisiana guide, or use our Park Finder to search by activity, location, or features.
Keep exploring: The closest neighbors are Tchefuncte State Park and Conservation Reservation (a short drive away) and Fairview-Riverside State Park (a short drive away).
🐾 Dogs & Pets at Fontainebleau State Park
- Pets allowed? statewide rule
- Pets are welcome on trails and in outdoor spaces at Louisiana state parks provided they are on a leash no more than 6 feet long, caged or crated.
- Leash rule statewide rule
- 6 ft maximum leash required (or caged/crated)
- Beaches & swim areas statewide rule
- Pets (except service animals) are prohibited in swimming areas
- Cabins & lodging statewide rule
- Dogs are permitted in designated pet-friendly cabins at 16 parks for a $40-per-dog surcharge, max two dogs per cabin; at least half of all cabins remain pet-free; proof of vaccinations required
- Pet fees statewide rule
- No day-use pet fee; $40 per dog per stay in pet-friendly cabins
- Statewide exceptions statewide rule
- Pets banned from group camps and other enclosed structures
Are dogs allowed at Fontainebleau State Park?
Pets are welcome on trails and in outdoor spaces at Louisiana state parks provided they are on a leash no more than 6 feet long, caged or crated. Individual parks can post stricter rules — check signage on arrival.
Rules verified July 2026 via lastateparks.com. More: Louisiana state parks guide · Dog rules in all 50 states compared
Park Location
Plan your gear for Fontainebleau State Park
From our editorial guides, matched to this park’s activities:
