Inland Empire
Everything IE
EverythingIE
All IE Parks, Mountains & Lakes
Diamond Valley Lake
🏞️ Lake
4,500 acres

Diamond Valley Lake

Hemet / Winchester
🎣 Fishing
⛵ Boating
🏞️ Lake Views
📸 Scenic
👨‍👩‍👧‍👦 Family
🦌 Wildlife
💎 Hidden Gem

California's largest off-stream reservoir near Hemet — fishing, marina access, wildflower trails, and big sunset views.

Diamond Valley Lake stores around 800,000 acre-feet of water in a vast basin between Hemet and Winchester. The Metropolitan Water District operates a marina and recreation area with stocked fishing, boat rentals, and a remarkable spring wildflower trail that explodes with poppies, lupine, and goldfields in good rainfall years.

🌟 Why Locals Love It

Wide-open water in the middle of southwest IE — unbelievable sunsets.

What to Expect

Bright sun, calm water, anglers, wildflowers in spring.

💡 Good to Know Before You Go

No swimming; marina hours seasonal.

📍 Local Tip

Catch the Wildflower Trail in March–April after wet winters — it's one of California's best superbloom spots.

Best Time to Visit

Spring for wildflowers; fall for fishing.

Notable Features

Largest off-stream reservoir in California
Wildflower Trail
Marina & boat rentals

Practical Info

2615 Angler Ave, Hemet, CA 92545

Amenities

Restrooms
Parking
Trails
Fishing Dock
Boat Launch
Marina
Shade
Verified Official Source
View Official Page →

Explore Everything IE

Everything IE is your premium guide to the Inland Empire — Riverside County and San Bernardino County. Events, restaurants, parks, schools, mountains, lakes, sports, and more — sourced from official departments and trusted institutions, curated for the people who call the IE home. Part of the Everything California network.