Grassy Lake Fishing Site Fishing Report

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Last Updated: December 5, 2025

Grassy Lake Fishing Site is a popular destination for anglers in Utah, USA.


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Summary

The fishing area is located near the small town of Manila and offers excellent opportunities to catch a variety of fish species, including rainbow trout, brown trout, cutthroat trout, and brook trout. The average temperature during the prime fishing season (June through August) is around 80°F.

Anglers can access the lake by hiking or driving a short distance on a dirt road. The lake is surrounded by beautiful mountain scenery and is a great place to spend a day fishing. Fishing tips for Grassy Lake include using a variety of bait options such as worms, powerbait, and lures. The best time of day to fish is early morning or late evening when the fish are most active.

In addition to fishing, there is plenty to do in the nearby area. Visitors can hike on nearby trails, camp at the nearby campgrounds, or enjoy water activities on the nearby Flaming Gorge Reservoir.

Overall, Grassy Lake Fishing Site is an excellent destination for anglers looking to catch a variety of trout species in beautiful mountain scenery. The best time of year to visit is during the summer months, and anglers should bring a variety of bait options to increase their chances of success.

       

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Angling Safety Guidelines

Know the Regulations
Check local fishing rules, seasons, size limits, and license requirements to ensure legal and sustainable angling.
Handle Fish Responsibly
Use wet hands, minimize air exposure, and release fish gently to improve survival rates when practicing catch-and-release.
Choose the Right Gear
Match your rod, line, and tackle to the species and conditions to increase success and reduce unnecessary harm to fish.
Respect the Waterway
Avoid disturbing habitat, prevent bank erosion, and keep a safe distance from spawning areas to protect ecosystems.
Keep It Clean
Pack out all line, hooks, bait containers, and trash—discarded gear can injure wildlife and degrade waterways.

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