Rend Lake - Nason Observation Tower

Illinois · Midwest

ModerateView on eBird

Habitat

Lake

Best Seasons

Spring Fall

Difficulty

Moderate

Best Months

April-May, September-October

About This Location

Rend Lake - Nason Observation Tower is a productive birding destination in Illinois, with 206 species recorded on eBird. This lake habitat attracts a wide variety of species among many others. Spring migration along the Mississippi and Central Flyways makes this a vital stopover for diverse species.

Location

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Notable Species

Common Loon Bald Eagle Double-crested Cormorant Ring-billed Gull Bufflehead

Live Bird Data

Notable Sightings

Rare or unusual species spotted nearby in the last 14 days

Fish Crow

Corvus ossifragus

2/28/2026401 N 27th St, Mount Vernon US-IL (38.3197,-88.9254)1 observed

Blue-winged Teal

Spatula discors

2/26/202611535-12337 East Bonnie Road, Bonnie, Illinois, US (38.199, -88.924)

Birding Tips

1
Scan the water surface methodically for diving ducks, loons, and grebes.
2
Check the shoreline and mudflats for shorebirds and wading birds.
3
Time your visit during the first week of May for maximum species diversity.

Amenities

Parking

Trails

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Illinois Birding Guide

Complete guide to birding in Illinois →

Birding Guides

The Ultimate Guide to Fall Bird Migration: Hawks, Sparrows, and Confusing Plumages

10 min read

Where to See Bald Eagles in North America: A Seasonal Viewing Guide

11 min read

Understanding Bird Migration: When, Where, and Why Birds Migrate

12 min read

Frequently Asked Questions

When is the best time to visit Rend Lake - Nason Observation Tower for birding?▼

The best months to visit Rend Lake - Nason Observation Tower for birding are April-May, September-October. The best seasons are Spring and Fall.

What birds can I see at Rend Lake - Nason Observation Tower?▼

Notable species at Rend Lake - Nason Observation Tower include Common Loon, Bald Eagle, Double-crested Cormorant, Ring-billed Gull, Bufflehead. The area supports lake habitats.

How difficult is birding at Rend Lake - Nason Observation Tower?▼

Birding at Rend Lake - Nason Observation Tower is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.

What amenities are available at Rend Lake - Nason Observation Tower?▼

Rend Lake - Nason Observation Tower offers the following amenities: Parking, Trails.