Port Louisa Refugespring migration
April to May is the best time to see spring migratory birds, per the Fish and Wildlife Service (Apr 1–May 31). This year's season is over; the next is in 2027.
Right now in Port Louisa Refuge · September
- Fall migratory birds: September to November are the best months · Sep–Nov
- Parts of the Muscatine Slough Trail close for migrating waterfowl · Sep–Dec
- North Trail (a paddling trail through the refuge) open, as conditions allow · Jan–Sep
184days to the next spring migration seasonApr 1–May 31, local timing
Port Louisa National Wildlife Refuge through the year
- North Trail (a paddling trail through the refuge) open, as conditions allowNowJan–Sep
- Spring migratory birds: April to May is the best timeApr–May
- Wildlife with young: June to August is the best timeJun–Aug
- Parts of the Muscatine Slough Trail close for migrating waterfowlNowSep–Dec
- Fall migratory birds: September to November are the best monthsNowSep–Nov
Where to watch
- Muscatine Slough Trail1.5 miles out and back from the refuge office or the trailhead lot on 120th Street, from prairie and upland forest down into floodplain forest, ending at the Muscatine Slough Observation Deck; it can flood when waters are high
- Sycamore LoopA 0.3-mile year-round loop from the visitor contact station parking, through upland forest to a deck overlooking the Odessa Division; watch for vireos and warblers
Port Louisa Refuge in pictures
How we know
U.S. Fish and Wildlife Service, Port Louisa NWR: Visit Us (opens in a new tab) (Sep 28) · National Weather Service forecast and alerts (opens in a new tab) (Sep 28)
Questions people ask
When is the best time to see spring migration at Port Louisa National Wildlife Refuge?
April to May is the best time to see spring migratory birds, per the Fish and Wildlife Service: Apr 1–May 31. That's general timing for this place, not a peak date or a forecast.
Is spring migration under way at Port Louisa National Wildlife Refuge right now?
Not now: the spring migration season is over for this year. The next one starts in about 184 days (Apr 1–May 31, local timing).
Is there a fee to visit?
No, visiting the refuge is free.Source: U.S. Fish and Wildlife Service, Port Louisa NWR: Visit Us ↗ (opens in a new tab)
What are the hours?
The refuge is open from half an hour before sunrise to half an hour after sunset. The visitor contact station and office are open Tuesday to Friday, 7:30 a.m. to 4:00 p.m., except federal holidays, and can close for weather when local schools close.Source: U.S. Fish and Wildlife Service, Port Louisa NWR: Visit Us ↗ (opens in a new tab)
Are there restrooms?
Yes: inside the visitor contact station during business hours, and outdoor restrooms near it for after hours.Source: U.S. Fish and Wildlife Service, Port Louisa NWR: Visit Us ↗ (opens in a new tab)
What should I bring?
Bug spray and long pants or sleeves (deer ticks are present, so do a tick check afterward), water, sunscreen, comfortable walking shoes and layers: spring can swing widely in temperature. Poison ivy grows here, so stay on the trail.Source: U.S. Fish and Wildlife Service, Port Louisa NWR: Visit Us ↗ (opens in a new tab)
When is the best time of day to go?
Morning and evening are the best times to see wildlife.Source: U.S. Fish and Wildlife Service, Port Louisa NWR: Visit Us ↗ (opens in a new tab)
Where are the best spots in Port Louisa National Wildlife Refuge?
Muscatine Slough Trail: 1.5 miles out and back from the refuge office or the trailhead lot on 120th Street, from prairie and upland forest down into floodplain forest, ending at the Muscatine Slough Observation Deck; it can flood when waters are high; Sycamore Loop: a 0.3-mile year-round loop from the visitor contact station parking, through upland forest to a deck overlooking the Odessa Division; watch for vireos and warblers.
Are there closures or permits to know about in Port Louisa National Wildlife Refuge?
Parts of the Muscatine Slough Trail close for migrating waterfowl (Sep–Dec).
What is Port Louisa National Wildlife Refuge like through the year?
Spring migratory birds: April to May is the best time (Apr–May), Wildlife with young: June to August is the best time (Jun–Aug), Fall migratory birds: September to November are the best months (Sep–Nov), Parts of the Muscatine Slough Trail close for migrating waterfowl (Sep–Dec) and North Trail (a paddling trail through the refuge) open, as conditions allow (Jan–Sep).