Hayward Flat is one of Trinity Lake's most popular campgrounds, featuring 98 paved campsites with bear-proof food lockers, picnic tables, and fire rings, plus an amphitheater and potable water.

Located on an excellent arm of the lake for water sports, the campground offers direct lake access for swimming, boating, and fishing, with a boat ramp and marina 3 miles away.

The site sits at 2,370 feet elevation surrounded by Ponderosa pines and Douglas firs, and operates seasonally from late May through October 31st with reservations available through Recreation. gov.