Mallard Slough Trail is a 4.4 mile lightly trafficked loop trail located near Alviso, California that offers the chance to see wildlife. The trail is good for all skill levels and offers a number of activity options.

DISTANCE
4.4 miles
ELEVATION GAIN
45 feet
ROUTE TYPE
Loop

birding

hiking

mountain biking

nature trips

trail running

walking

wildlife

no shade

city walk

no dogs

This is a wonderful area for birding for those interested, as well as biking. The visit center area closes at 4pm, so please be cautious if you use their parking lot. There is limited parking available just outside of the gated road, which is the start / end point shown on the map for this trail loop. If you have any concern about the gate closure it may be best to park just outside. Park is open sunrise to sunset.