Topock Marsh - Topock, AZ

Fish Spot Details
Fish Species: | Channel Catfish, Largemouth Bass, Black Crappie, Common Carp, Redear Sunfish, Green Sunfish |
opock Marsh, located within the Havasu National Wildlife Refuge near Topock, AZ, is a sprawling wetland fishery on the lower Colorado River that offers outstanding warmwater angling. Covering over 4,000 acres, the marsh features cattail-lined channels, submerged timber, and weedy sloughs that support bass, catfish, crappie, sunfish, and even the occasional striped bass.
Largemouth bass are a top target in spring and fall, with anglers using spinnerbaits, frogs, and soft plastics around weedy margins and submerged cover. Catfish—both channel and flathead—bite reliably on cut bait and stink bait, especially during summer nights. Crappie and sunfish are found in deeper pools or near vegetation, best caught using small jigs or live minnows.
Boating is popular here, with public ramps at Five-Mile Landing and North Dike. Kayaks and flat-bottomed boats are ideal for navigating the shallow, often narrow channels. Water levels can change rapidly, so navigation requires caution. Seasonal restrictions may be in effect for wildlife conservation, especially during fall hunting months.
A valid Arizona fishing license is required. The marsh is shared with California, and reciprocal licensing rules may apply in some waters.
Topock Marsh offers anglers a peaceful, productive alternative to traditional lakes, with quality fishing in a scenic desert wetland setting. It's particularly appealing to those who enjoy exploring quieter backwaters and targeting a wide variety of species in shallow water.
Largemouth bass are a top target in spring and fall, with anglers using spinnerbaits, frogs, and soft plastics around weedy margins and submerged cover. Catfish—both channel and flathead—bite reliably on cut bait and stink bait, especially during summer nights. Crappie and sunfish are found in deeper pools or near vegetation, best caught using small jigs or live minnows.
Boating is popular here, with public ramps at Five-Mile Landing and North Dike. Kayaks and flat-bottomed boats are ideal for navigating the shallow, often narrow channels. Water levels can change rapidly, so navigation requires caution. Seasonal restrictions may be in effect for wildlife conservation, especially during fall hunting months.
A valid Arizona fishing license is required. The marsh is shared with California, and reciprocal licensing rules may apply in some waters.
Topock Marsh offers anglers a peaceful, productive alternative to traditional lakes, with quality fishing in a scenic desert wetland setting. It's particularly appealing to those who enjoy exploring quieter backwaters and targeting a wide variety of species in shallow water.
Latest Fish Reports
Date | Report | Author |
12-22-2023 | The North Dike Boat Ramp was dredged this spring, increasing boating access The North Dike Boat Ramp was dredged this... more » |
Arizona Game & Fish Department |
9-1-2023 | Topock Marsh Report At Topock Marsh, the North Dike boat ramp was... more » |
Arizona Game & Fish Department |
7-1-2023 | Topock Marsh Fishing Report At Topock Marsh, the North Dike boat ramp was... more » |
Arizona Game & Fish Department |
6-11-2023 | Largemouth bass fishing is expected to pick up Largemouth bass fishing is expected to pick up... more » |
Arizona Game & Fish Department |
3-29-2023 | 11.04 lb. Catfish Well how about this we have some marsh... more » |
Rusty |

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