Live conditions, the best float sections by mile marker, the caves and springs worth stopping for, the full outfitter and campground directory, fishing regulations, and a built-in trip planner — your complete guide to floating the Meramec.
Length
~218 mi
Difficulty
Class I
Region
Ozarks
Season
Apr–Oct
Access
Typical distance
5–20 mi day floats; overnight to 30+ mi
Best for beginners
Meramec State Park → Sand Ford (7 mi)
Primary gauge
Sullivan · USGS 07018500
Recommended outfitter
Meramec State Park canoe rental
Live conditions
Today on the Meramec River
Eddy reads the gauge, the trend, and the forecast and writes a fresh take a few times a day. Use it as one input alongside your own judgment, the outfitter you’re renting from, and current advisories from the agency that manages your stretch.
The pitch
Why the Meramec River is different
The Meramec is St. Louis's home float. One of the longest free-flowing rivers in Missouri, it runs about 90 minutes down I-44 to the outfitter towns of Steelville and Sullivan — the closest quality float water to the city. It's rain-fed, not spring-fed, which makes it one of the flashiest rivers in the Ozarks: gorgeous and lively when the water's up, and unlike the Current, never guaranteed to be floatable just because it's summer.
About 90 minutes to Steelville or Sullivan on I-44. No other Ozark float this good is this close to the metro.
MDC & Parks
Headwaters
near Salem
Closest quality float to St. Louis.
Caves everywhere. Onondaga Cave and Meramec Caverns are show caves right on the river, and Fisher Cave runs lantern tours from Meramec State Park. The bluffs are riddled with them.
Rain-fed and flashy. The Meramec can spike 5–10 feet in hours after a hard rain and drop fast in a dry spell. There's no spring base flow to fall back on — the gauge is everything.
Three rivers in one. A narrow, trout-tinged upper river; a bluff-and-cave middle that's the prettiest water; and a wide, gentle lower river built for tubes and big groups.
Float sections
Pick your float
Choose a stretch for your group, your time, and today’s water. Distances are approximate; use the planner for the current route and time estimate.
Segment · upper
Upper Meramec — Maramec Spring to Onondaga
The headwaters reach near St. James and Steelville: narrower, scenic, and trout-tinged. The Woodson K. Woods-to-Scotts Ford stretch is a Red Ribbon Trout Area. Needs more water than the lower river, and rewards it with solitude and bluffs.
The practical top of the float, just below Maramec Spring near St. James. From Woodson K. Woods (mile 26.2) to Scotts Ford (mile 35.1) is a Red Ribbon Trout Area — one of the few Meramec stretches holding rainbow and brown trout. Narrower and more scenic than downstream; it needs more water to float cleanly.
Best for: Anglers, paddlers chasing solitude
Segment · middle
Middle Meramec — Onondaga to Meramec State Park
The finest water on the river: about 20 miles of towering limestone bluffs, cave mouths, springs, and wide gravel bars. Most Steelville-area outfitters run this stretch, with 5- and 9-mile options.
Below Meramec State Park the river widens and gentles. The Meramec Caverns stretch draws big summer tube crowds; farther down toward Robertsville and Eureka it's a quieter, wider metro-edge paddle.
Missouri's 5th-largest spring, in privately run Maramec Spring Park near St. James — a catch-and-keep trout park (Missouri trout tags required). Spelled 'Maramec' for the spring and park, 'Meramec' for the river.
mile 68
Onondaga Cave
A National Natural Landmark show cave at Onondaga Cave State Park, right at the river access. Guided walking tours run April–October, about an hour underground.
mile ~85
Green's Cave
A large wild cave in a river bluff above Meramec State Park — a well-known canoe landmark. Admire it from the water; entry is restricted.
mile 88
Fisher Cave
A wild cave at Meramec State Park with ranger-led lantern tours — one of the more decorated caves in the eastern Ozarks.
Directory
Outfitters, campgrounds & lodging
Every active service that operates on the Meramec River. Tap a phone number to call; tap Reserve to book.
USGS data
Water levels & gauge
Check the gauge before you load the truck. Look at the current level, its trend, and recent rain together. A falling gauge alone does not establish suitable conditions; check the reach and current local advisories too.
Park rules
Regulations
Red Ribbon trout area
Woodson K. Woods to Scotts Ford is a Red Ribbon Trout Area with special catch-and-release-style limits. Porous-soled (felt) waders are prohibited to prevent spreading invasive species.
Special MDC length and daily limits apply to smallmouth bass and goggle-eye on parts of the Meramec. Check current regulations before you keep any fish.
Meramec State Park has developed campgrounds and cabins on the river. Gravel-bar camping is allowed on public land, but some stretches near state parks have restrictions — register at the park office for backcountry sites.
Pack out everything you bring in. Glass is discouraged on Missouri streams — it's a heavily used river close to the city, so leave the gravel bars clean.
PFDs (legally required — one per person, worn by anyone under 7).
Dry bag for keys, phone, ID, and a layer. Riffles flip beginners.
Drinking water (a gallon per person per day in summer) — there's no potable water on the river.
Reef-safe sunscreen and a hat — the lower river has long, shadeless stretches.
Hard-soled water shoes, not flip-flops. Gravel bars are rocky.
A cooler tied securely into the boat.
Trash bag — the Meramec sees heavy use; pack out everything.
Plan
It's rain-fed — check the gauge that morning. One of the flashiest rivers in the Ozarks. It can spike 5–10 ft after a storm and drop fast in a dry spell. There's no spring base flow like the Current's.
Match the gauge to your section. Steelville (USGS 07013000) and Cook Station read the upper river, Sullivan (07018500) the middle, Eureka (07019000) the lower. Conditions differ a lot over 100+ miles.
Upper for scenery, lower for tubes. Onondaga to Meramec State Park is the prettiest water; below the park is wider and better for big raft and tube groups.
Book Steelville weekends ahead. The state park and Meramec Caverns stretches fill up. Reserve outfitter shuttles in advance for summer Saturdays.
Most outfitter trips cover 5–9 miles and take 2–5 hours. The full Onondaga-to-Meramec State Park run (about 20 miles) is a 7–9 hour day or a comfortable overnight.
The finest water on the river — about 20 miles of towering limestone bluffs, cave mouths, springs, and wide gravel bars. Most Steelville outfitters run this stretch with 5- and 9-mile options. Pass Campbell Bridge (mile 73.6), Blue Springs Creek (mile 78.6), and Green's Cave before finishing at Meramec State Park (mile 88), the river's hub for camping and cabins.
Best for: Everyone — the best of the Meramec
2–4 hr
Class
I
Crowd
Busy summers
The busy summer stretch. From Meramec State Park (mile 88) the river widens and gentles past Spanish Claim and the Meramec Caverns area (mile ~94) down to Sand Ford (mile 95.4). Easy Class I water, big gravel bars, and the most crowded weekends on the river — go midweek if you can.
Below Sand Ford the river broadens and the crowds thin. Past Chouteau Claim (mile 108.5) to Red Horse (mile 112) it's a wide, slow, metro-edge paddle — far quieter than the park stretch. River 'Round Conservation Area and Robertsville State Park carry the float on toward Pacific and Eureka.
Family-run resort since 1979, located on Huzzah Creek east of Steelville. Offers 2.5 miles of riverfront camping, canoe/kayak/raft rentals, cabins, restaurant, and shuttle service. Serves Huzzah Creek, Courtois Creek, and Meramec River.
Resort near Leasburg with a mile of Meramec riverfront, floating the Meramec, the Huzzah and the Courtois with canoes, kayaks, rafts and river tubes. Courtois routes include the 10-mile Butts Slab run and a seasonal 5-mile Courtois Primitive trip. Camping and cabins on site.
The Courtois specialist at Steelville, running 6-mile (Blunts to Bass'), 7-mile (Berryman to Blunts, or Bass' to Scotia) and 13-mile (Berryman to Bass') trips, with multi-day floats of 20 to 25 miles. Canoes, single and tandem kayaks and rafts, all with shuttle. Camping, cabins, meals and horseback riding on site.
Outfitter near Steelville on the Meramec River. Canoe, kayak, and raft rentals with shuttle service. Also offers cabins and campground. Now operating as Meramec River Resort under new management.
Upper Meramec outfitter on the south bank across from MDC Scotts Ford Access (mile 35.1). Also known as Fagan's. 30 campsites (tent and electric/water), canoe/kayak/raft rentals with shuttle. Camp store, bathhouses, dump station. Guard on duty Friday/Saturday nights.
Outfitter and campground on Highway 8 near Steelville, adjacent to Woodson K. Woods Wildlife Area. Canoe, raft, and kayak rentals with shuttle on the upper Meramec. Campground with pavilion, picnic tables, fire rings, hot showers, and clean restrooms. Also offers hunting guide packages for the adjacent 6,000-acre wildlife area.
Full-service resort on the Meramec River south of Steelville. 180 campsites (tent and RV with full hookups), canoe/kayak/raft/tube rentals with shuttle. Pool, store, showers.
100-acre resort on the Meramec River with ~1 mile of river frontage and two stocked lakes (20-acre and 4-acre). 44+ tent sites, 26–29 RV sites, 2 cabins. Canoe/kayak/raft/tube rentals with shuttle. Personal watercraft launch permitted weekdays only ($15/craft + $15 parking). Pool, store, playground, Wi-Fi.
Resort near Campbell Bridge on the Meramec River (mile ~73.5). Riverfront tent camping, RV sites with 30-amp electric, rustic cabins/bunkhouses. Canoe/kayak/raft/tube rentals with 5-mile and 10-mile shuttle floats. Pool, fire rings. 9 miles south of Bourbon off Hwy N.
State park on the Meramec River featuring Onondaga Cave (a National Natural Landmark) and Cathedral Cave. Full campground with 61 electric sites, basic sites, and showers. River access via Hwy H low-water bridge.
Large state park on the Meramec River near Sullivan. Full campground with electric and basic sites, cabins, canoe rental concession, cave tours, and extensive trail system. One of Missouri's most popular state parks.
LaJolla Natural Park campground at the famous Meramec Caverns. Riverfront tent and RV sites, motel rooms, canoe/kayak/raft rentals with shuttle (6-mile and 11-mile trips). Cave tours, zip line, concession stand, playground.
