Local Fishing Regulations
Fishing Licenses are available at the Petrolia General Store.
2014-2015 California Department of Fish and Wildlife Regulations for the Mattole (page 48):
| Mattole River (Humboldt County) Also see Section 8.00 (a) | Open Season and Special Regulations | Daily Bag and Possession Limit |
| (A) Mattole River main stem from mouth to 200 yards upstream | Closed to fishing all year | |
| (B) Mattole River mains stem from 200 yards upstream of mouth to confluence with Stansberry Creek | Jan. 1 through Mar. 31. Only artificial lures with barbless hooks may be used. | 2 hatchery trout or hatchery steelhead**4 hatchery trout or hatchery steelhead** in possession |
| (C) Mattole River main stem from confluence with Stansberry Creek to confluence with Honeydew Creek | Jan 1. through Mar. 31 and Fourth Saturday in May through Aug. 31. Only artificial lures with barbless hooks may be used. | 2 hatchery trout or hatchery steelhead**4 hatchery trout or hatchery steelhead** in possession |
| **Hatchery trout or steelhead in anadromous waters are those showing a healed adipose fin clip (adipose fin is absent). Unless otherwise provided, all other trout and steelhead must be immediately released. Wild trout or steelhead are those not showing a healed adipose fin clip (adipose fin is present). | ||
| Section 8.00 (a) Additional Low Flow Restrictions: October 1- January 31. Mattole River: The mainstem of the Mattole River from the mouth to Honeydew Creek. Minimum Flow: 320 cfs at the gauging station at Petrolia. | ||