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Washington · Dispersed / primitive

Cascadia Marine Trail - Posey Island

2 mi northwest of Roche Harbor, WA · Verizon 4G · AT&T 5G · T-Mobile 5G

Dispersed / primitivetype
2sites
Freeto camp
Jun–Sepbest months

About Cascadia Marine Trail - Posey Island

No water. Whole island is CMT campsite (human / wind powered only), but also a popular stop for lunch with tour groups. The two designated Cascadia Marine Trail campsites are close together, near toilet.

  • Where: 2 mi northwest of Roche Harbor, WA · 48.61838, -123.16784

Amenities:

ToiletsTents allowed

Official page for this camp (fees, closures, booking)

Weather by month

46°
38°Jan
48°
37°Feb
51°
39°Mar
56°
43°Apr
63°
47°May
68°
51°Jun
72°
53°Jul
72°
54°Aug
66°
51°Sep
57°
45°Oct
50°
41°Nov
46°
37°Dec

Typical daily highs and lows (°F), 1991–2020 NOAA normals. Best months: Jun–Sep (comfortable days, mild nights, little rain). Nights below freezing: None.

See Cascadia Marine Trail - Posey Island from above

Fly over it in 3D, check today's weather and fire news, plan the drive and print a trip plan.

Fly over in 3D Directions

Trails near camp

TrailOpen toFrom campLength
Posey IslandHikingat camp

Straight-line distance from camp, from Forest Service, BLM, state and OpenStreetMap trail data.

Good to know

Cell signal

Verizon 4G · AT&T 5G · T-Mobile 5G

From the carriers' FCC coverage maps, which tend to be generous.
Night sky: Rural edge

The Milky Way is clear overhead but fades toward town glow.

Class 4 of 9, from NASA/NOAA night-light data.
RV essentials

Dump station: 0.8 mi

Nearest of each within 25 miles, straight-line.

Camps nearby