Great Marsh Trail (South)

The water in the great marsh is frozen. Brown grass surrounds the wetland.

Easy 1.3-mile lollipop, but don't underestimate the mud. The observation deck delivers birds at close range: Great Blue Herons, Sandhill Cranes, migrating ducks and geese. Packed dirt and grass with wet sections—adequate footwear is non-negotiable. One hour, minimal elevation, maximum bird action.

Quick facts

Distance Miles: 1.3
Route Type: Lollipop
Difficulty Level: Easy
Elevation Gain Feet: 9

Trail profile

Distance Miles: 1.3
Route Type: Lollipop
Difficulty Level: Easy
Elevation Gain Feet: 9
Estimated Time: 1 hour at steady pace. Add 30 minutes for bird watching and photography from the observation deck.
Trail Surface: Packed dirt and grass with gravel sections. Trail can be very wet and muddy, especially after rain.
Trail Features: Birding
Great Marsh observation deck
Wetland ecosystem
Migratory waterfowl corridor
Wildlife viewing
Trail Highlights: Great Marsh observation deck overlooking the largest interdunal wetland in the Lake Michigan watershed. Close encounters with Great Blue Herons, Sandhill Cranes, and diverse migrating waterfowl including coots, mallards, wood ducks, kingfishers, and tree swallows.

Trailhead & access

Trailhead Location: South parking lot, north of U.S. Highway 12 on Broadway Avenue, Beverly Shores, IN 46301. GPS: 41.674825, -86.986607
Parking Lot Size: South lot is the main trailhead (size unknown). North lot has 1 handicap space and 1 regular space.
Shuttle Required: 0

Permits & conditions

Permit Details: None required
Fees: $25 — Entrance - Private Vehicle (valid 7 days)
Trail Status: Open daily 6 AM to 11 PM year-round
Seasonal Closures: None reported. Park is open year-round.

Facilities & rules

Restrooms At Trailhead: 0
Water Sources: Dry trail—no potable water at trailhead or along route. Bring full hydration.
Accessibility: Main trail: Rooty and grassy with muddy sections—not wheelchair accessible. North parking lot has a paved wheelchair accessible trail to an observation deck overlook of the marsh.

Safety & strategy

Hazards: Ticks (year-round)
Poison ivy (trail edges)
Muddy and slippery sections
Wet weather conditions
Hazard Details: Ticks are present year-round—apply preventive treatment before hiking and perform full-body tick checks afterward. Poison ivy grows along some trail edges; don't brush vegetation. The packed dirt and grass surface becomes muddy and slippery, especially after rain or in wet conditions. Wear adequate footwear with good grip. Be prepared for changing weather conditions and use caution on wet sections.
Crowd Level: Popular—moderate to high crowds on weekends and during spring/fall migration. Weekday mornings are quieter.
Peak Crowd Times: Weekends year-round. Spring and fall migration seasons (March-May, August-October) peak with birders. Early morning (before 8 AM) avoids the worst crowds.
Best Season: Spring and fall migration seasons offer peak bird diversity.
Best Time To Visit: Arrive by 6 AM for the best bird activity. Trail is open daily 6 AM to 11 PM. Spring and fall offer peak bird diversity during migration seasons. Be prepared for muddy conditions year-round.
Tips Advice: Ticks are present year-round—apply tick repellent and do a full body check afterward
Bring 2+ liters of water; no potable water on trail
Wear sturdy, waterproof boots; the trail is perpetually muddy
Keep your dog on a 6-foot leash or shorter
Bring binoculars for optimal bird viewing from the observation deck
Carry a small towel or cloth to wipe muddy shoes
Leave your bike behind—bicycles are prohibited

More details

Park Area: Beverly Shores
Trail Markers: Well-worn and marked with trail signs. Clear trail junctions at T-point; directional signs guide the lollipop loop.
Dogs Allowed: Yes—leash required, 6 feet or shorter
Biking Allowed: No—bicycles prohibited
Shade Level: Mixed—open wetland areas offer full sun exposure; some tree cover along trail sections. Hat and sunscreen recommended for the observation deck.
Emergency Contacts: Call 1-800-PARK-TIP to report emergencies or crimes
Map Recommended: 0
Mud Season: Year-round, especially after heavy rain or during wet weather
Bug Season: Year-round (ticks present all months)
Insider Tips: The observation deck at the T-junction is the prime viewing spot—linger here for 15-20 minutes with binoculars
Early morning (before 7 AM) yields the best bird activity and fewest crowds
Mud is relentless—gaiters or waterproof pants protect your legs and clothes
Bring quality binoculars; herons and cranes reward patient observation
The lollipop design means retracing your steps—plan accordingly for boredom on the return
Recent Updates: None reported
Family Friendly Notes: Easy trail suitable for families with young children. Muddy conditions require sturdy footwear for kids. Tick prevention is essential—dress children in long sleeves/pants or use repellent. One-hour duration suits young children. The observation deck is accessible for stroller viewing.
Nearby Facilities: No facilities at trailhead (no restrooms, no potable water). Nearest services in nearby Beverly Shores.
Review Summary: Hikers praise the accessibility and reliable bird-watching opportunities from the observation deck, though persistent muddy conditions challenge those unprepared with proper footwear. The short distance and flat terrain make it ideal for introducing children and casual birders to wetland wildlife without demanding fitness. Tick vigilance is non-negotiable.

Location

Frequently asked questions

Is this too easy?

Yes—and that's intentional. 1.3 miles, 9 feet of elevation, 1 hour. It's a birding mission, not a fitness test. Legs stay happy; patience gets tested.

How muddy are we talking?

Very. Even dry conditions = squishy sections. Post-rain = slop. Waterproof boots are mandatory, not optional.

How close are the birds?

Binocular-close from the observation deck. Herons, cranes, waterfowl at arm's reach. Peak diversity in spring and fall migration.

Is this kid-friendly?

Yes. Short distance, flat terrain, big payoff at the observation deck. Tick prevention required—dress long or apply repellent.

Can my dog come?

Yes. Leash only—6 feet maximum. Dogs spook birds; control yours.

Do I need a permit?

No. Pay the $25 vehicle entrance fee (valid 7 days). No backcountry permit needed.

What's the biggest hazard?

Ticks year-round. Use repellent, wear light colors so you spot them, and do a full-body check afterward. Poison ivy on trail edges—don't brush it.