Cucamonga-Guasti - Onatrio, CA

Lake Information

Fish Species: Channel Catfish, Rainbow Trout



Latest Photos

3 lbs. 10 oz.
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Juan C.
3-15-2024
2 lbs. 12 oz.
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Brandon G.
3-15-2024
4 lbs. 1 oz.
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Keith K.
3-15-2024
3 lbs. 10 oz.
Fabian Argaez from San Bernardino, CA – 3 lbs. 10 oz. – Large Lake – Green Jig
Photo Credit: Courtesy of San Bernardino Park Staff
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Fabien Argaez
12-17-2019
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Cucamonga-Guasti Whoppers

Species Weight Date Report
Rainbow Trout 10 lbs. 7 oz. 12-17-2019 View Report
Rainbow Trout 9 lbs. 12 oz. 2-25-2019 View Report
Rainbow Trout 9 lbs. 12-09-2018 View Report
Rainbow Trout 8 lbs. 12 oz. 3-11-2019 View Report
Rainbow Trout 8 lbs. 3-11-2019 View Report
Rainbow Trout 7 lbs. 12 oz. 2-25-2019 View Report
Rainbow Trout 7 lbs. 8 oz. 3-11-2019 View Report
Rainbow Trout 7 lbs. 1 oz. 12-09-2018 View Report
Rainbow Trout 7 lbs. 3-11-2019 View Report
Rainbow Trout 6 lbs. 14 oz. 2-25-2019 View Report

Latest Fish Plants

Plant DateSpeciesSourceTotal Pounds
4-08-2024Rainbow TroutCDFW 
3-28-2024Rainbow TroutSB County644
3-21-2024Rainbow TroutSB County644
3-18-2024Rainbow TroutCDFW 
3-14-2024Rainbow TroutSB County644


Latest Fish Reports

Date Report Author
3-15-2024 The Cucamonga-Guasti trout derby leaderboard is changing!
The Cucamonga-Guasti trout derby leaderboard is changing! Leader- Keith... more »		 San Bernardino Parks Staff
9-2-2021 Final Catfish Derby Results!
Final Catfish Derby Results! Thank you to all... more »		 Cucamonga-Guasti Staff
12-17-2019 Trout Derby Results - Cucamonga-Guasti Regional Park
On Saturday, December 14, 2019, 421 fisherman attended... more »		 San Bernardino Parks Staff
12-10-2019 Weekly Fishing Report for Cucamonga-Guasti
Top Baits: Mealworms and Marshmallows Best place to fish:... more »		 San Bernardino Parks Staff
9-3-2019 Weekly Fishing Report for Cucamonga-Guasti
Top Baits: Mealworms and Marshmallows Best place to fish:... more »		 San Bernardino Parks Staff

Detailed Map