Birding spots · Oregon

Best Birding Spots in Washington County, Oregon

Fernhill Wetlands leads Washington County's birding spots with 205 species reported, best in fall. 99 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
Fernhill Wetlands	205	6,516	136	176	152	177
Tualatin River National Wildlife Refuge	197	5,254	108	170	152	154
Tualatin River National Wildlife Refuge (Rock Creek)	188	3,376	97	164	149	148
Jackson Bottom Wetlands Preserve	182	2,662	112	160	126	137
Koll Center Wetlands	173	6,234	115	145	106	144
Fernhill Wetlands (Carnation)	170	1,458	106	132	117	134
Commonwealth Lake Park	163	4,071	103	138	101	124
Wapato Lake National Wildlife Refuge	153	605	81	113	103	125
Fernhill Wetlands (east)	153	521	89	120	103	108
Henry Hagg Reservoir	141	293	86	73	43	114
Scoggins Valley Park/Henry Hagg Lake	140	520	70	61	52	121
Greenway Park	139	1,254	89	114	81	106
Dawson Creek Park	132	1,841	90	108	64	92
Killin Wetlands	126	502	72	104	80	82
Penstemon Prairie	124	333	67	85	79	63
Jackson Bottom Wetlands Preserve (Jackson Slough)	124	208	53	88	67	73
Cook Park	123	1,006	69	100	76	77
Holcomb Lake	111	530	48	97	76	65
Jackson Bottom Wetlands Preserve (Dairy Creek)	111	201	53	86	74	59
Cooper Mountain Nature Park	110	1,154	45	100	72	68
Tualatin Hills Nature Park	109	1,065	66	92	72	55
Jackson Bottom Wetlands Preserve (Hillsboro)	109	156	63	74	55	60
Gotter Prairie	109	148	46	95	69	58
Willamette Ridge	105	1,047	63	95	65	75
Downing Bike Path	104	2,451	46	86	56	66
Child Development Center	104	1,044	70	83	60	57
Beaverton Creek Wetlands Park	102	476	69	90	50	58
Killin Wetlands (Spiering Reservoir)	102	262	62	74	56	58
City Greenspace	101	774	56	79	64	72
Henry Hagg Lake	101	260	57	44	17	66
Van Loo Reservoir	99	319	74	71	49	52
Orenco Woods Golf Course	98	652	52	85	57	68
Summerlake Park	97	384	64	72	45	52
Scoggins Valley Park/Henry Hagg Lake (Stimson Millpond)	97	302	61	27	10	70
Bethany Lake Park	93	423	61	73	54	60
Henry Hagg Lake (Dorin Branch)	93	185	46	41	22	71
Scoggins Valley Park/Henry Hagg Lake (Tanner Creek)	93	124	39	38	42	52
Atfalati Prairie	90	310	74	51	0	36
Jackson Bottom Wetlands Preserve (Teufel Reservoir)	90	82	36	42	42	59
Rood Bridge Park	85	195	44	72	50	39
Verboort Reservoir	84	155	70	53	0	11
Nyberg Wetland	81	363	55	67	38	52
Emerald Estates Park	80	177	53	52	43	49
Englewood Park	79	192	50	59	40	42
Scoggins Valley Park/Henry Hagg Lake (southeast)	78	119	49	31	17	49
West Haven	77	1,297	43	60	50	50
Orchard Park	75	274	41	71	38	39
Chehalem Ridge Natural Area	75	179	30	64	51	41
Valley Memorial Park Cemetery	74	75	41	53	19	37
Fanno Creek Trail	73	248	43	67	39	41