Birding spots · California

Best Birding Spots in Trinity County, California

Grass Valley leads Trinity County's birding spots with 110 species reported, best in spring. 15 spots in the county have enough data to rank.

Species counts are birds reported at least three times in that season at that spot, 2016–2025. Busy spots list more species simply because more people look, so compare the checklist counts. Spot names come from public map data and hotspot listings.

Spot	Species	Checklists	Winter	Spring	Summer	Fall
Grass Valley	110	178	55	73	73	73
Posey Gulch	108	100	41	40	37	80
Ewing Reservoir	82	98	37	43	29	51
Whiskeytown Shasta-Trinity National Recreation Area (Trinity Center)	81	81	17	32	31	48
Cooper Gulch	76	81	27	28	15	41
Lewiston Lake (Deadwood Creek)	76	66	10	27	37	37
Lee Fong Park	74	163	38	46	31	47
Posey Gulch (Starvation Flat)	74	82	30	31	31	47
Whiskeytown Shasta-Trinity National Recreation Area (Eastman Gulch)	73	64	34	39	20	35
Lewiston Lake	72	129	37	48	22	37
West Weaver Creek	70	153	27	48	41	39
Trinity, California Wild and Scenic River (Wheel Gulch)	41	56	0	27	24	6
Birding spot near Hayfork	115	125	47	53	60	65
Birding spot near Weaverville	109	529	53	72	60	72
Birding spot near Weaverville (West Weaver Creek)	96	457	46	82	52	58