Tijuana River Estuary (Tijuana Slough NWR)

Imperial Beach · near Imperial Beach · San Diego

Wildlife Watching

At a glance

Best season
October-April peak (wintering shorebirds & waterfowl); year-round
Open year round
Yes

What is here

Wildlife
birds
Species
Light-footed Ridgway's rail (endangered), western snowy plover, California least tern, Belding's savannah sparrow, huge shorebird & waterfowl flocks, northern harrier & peregrine falcon
Amenities
Visitor center (Wed-Sun 10-5) · Flat boardwalk & salt-marsh trails · Free access · World-class birding
Best for
The single richest birding site in San Diego County
Features
370+ bird species recorded · Endangered Ridgway's rail & least tern · Flat, easy, family-friendly trails · Free visitor center

Worth knowing

Hazards
TRANSBOUNDARY SEWAGE CRISIS: do NOT enter the river channel, standing water, or the ocean - south beach & river-mouth areas are frequently posted/closed · Wash hands after; heed all posted signs · Navy helicopter noise on weekdays
Good for a first timer
Yes

Wildlife Watching detail

Nickname
The County's Birding Crown Jewel
Viewing
trail
Effort
easy
Habitat
bay-estuary
Sighting
5
Viewing notes
The southernmost estuary in California and its richest birding site - a vast tidal salt marsh where endangered rails skulk the cordgrass and thousands of shorebirds work the mudflats; 370+ species recorded
Intl tip
Start at the visitor center for a current trail map and to confirm which trails are open that day. Time a falling tide for the biggest shorebird numbers - and stay well away from the water (sewage contamination).

The guide

The Tijuana River Estuary is the southernmost estuary in California and its birding crown jewel - a vast tidal salt marsh where…

In the Guidebook

Everything above is yours for free. The written guide to Tijuana River Estuary (Tijuana Slough NWR) — what it is actually like, and what we would tell a friend before they went — comes with the Guidebook.

Getting there

Coordinates
32.573, -117.129

Driving directions

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