Cosho campground
Cosho
Reservations are accepted at Cosho camping area, allowing campers to secure their spot in advance. This is especially recommended during peak seasons when the campground tends to fill up quickly. The best time of year to visit this beautiful camping area is during the summer months, from June to September, when the weather is mild and pleasant for outdoor activities such as hiking, fishing, and bird-watching.
While exploring Cosho camping area, visitors should take note of certain precautions. The campground is situated in a bear country, so it is essential to store food properly and follow bear safety guidelines. Additionally, mosquitoes can be quite prevalent in this region, especially during the early summer months, so bringing insect repellent is highly recommended. With its serene setting and various amenities, Cosho camping area offers the perfect getaway for nature enthusiasts seeking a peaceful camping experience in the scenic state of Washington.
What's on-site at Cosho
Key facilities Snoflo tracks for this campground. Confirm with the operator before booking -- amenities can change seasonally.
Plan your trip down to the hour
Same weather feed Snoflo's iOS app uses -- updated continuously from NOAA / yr.no.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max so trends jump out at a glance.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks. Hover any point for the full breakdown.
Other campgrounds in the area
Snoflo-tracked campsites within driving distance of Cosho, with reservations status.
| Campground | Reservations | Toilets | View |
|---|---|---|---|
| Fisher | ✗ | ✗ | → |
| Thunder Basin Stock | ✗ | ✗ | → |
| Skagit Queen | ✗ | ✗ | → |
| Thunder Basin Hiker | ✗ | ✗ | → |
| Tricouni | ✗ | ✗ | → |
Nearby streamflow
USGS streamgauges within reach of Cosho -- pulled live from the National Water Information System.
| Streamgauge | Discharge | View |
|---|---|---|
| Thunder Creek Near Newhalem | 705 cfs | → |
| Salix Creek At S Cascade Gl Near Marblemount | 0 cfs | → |
| Newhalem Creek Near Newhalem | 30 cfs | → |
| Skagit River At Newhalem | 3,970 cfs | → |
| Stehekin River At Stehekin | 2,640 cfs | → |
| Bacon Creek Below Oakes Creek Near Marblemount | 448 cfs | → |
Nearby snow depths
NRCS SNOTEL stations within reach of Cosho -- relevant when planning a shoulder-season or alpine trip.
| SNOTEL station | Snowpack | 24h Snowfall | View |
|---|---|---|---|
| Thunder Basin | 0.0 in | 0.0 in | → |
| Nohrsc Thunder Basin | 0.0 in | 0.0 in | → |
| Nohrsc Swamp Creek | 0.0 in | 0.0 in | → |
| Swamp Creek | 0.0 in | 0.0 in | → |
| Park Creek Ridge | 1.0 in | 0.0 in | → |
| Nohrsc Park Creek Ridge | 1.0 in | 0.0 in | → |
Plan a longer trip
The closest parks, lakes, boat launches, and paddle runs so a camping night can grow into a full weekend.
Camping essentials & Leave No Trace
- Pack it in, pack it out
- Take all trash, food scraps, and gear back with you to keep campsites clean and protect wildlife.
- Respect wildlife
- Observe animals from a distance, store food securely, and never feed wildlife to maintain natural behavior and safety.
- Know before you go
- Check weather, fire restrictions, trail conditions, and permit requirements to ensure a safe and well-planned trip.
- Minimize campfire impact
- Use established fire rings, keep fires small, fully extinguish them, or opt for a camp stove when fires are restricted.
- Leave what you find
- Preserve natural and cultural features by avoiding removal of plants, rocks, artifacts, or other elements of the environment.
Set push alerts in the Snoflo app
Save Cosho as a favorite, set a custom threshold (precipitation, snowpack, freezing temperatures), and the iOS app will push the moment conditions cross.
About Cosho
Can I make reservations at Cosho?
This campground does not appear to accept reservations -- it's typically first-come, first-served. Arrive early on summer weekends.
How fresh is the weather data on this page?
The hourly forecast updates throughout the day from the NOAA / yr.no public feeds. Streamflow data is pulled live from USGS streamgauges and snowpack from the NRCS SNOTEL network.
What's the best time of year to visit?
Use the 15-day temperature & precipitation outlook on this page to plan -- pick a window with comfortable temperatures and low precipitation. For longer trips, the 5-day hourly meteogram shows snow + rain accumulation hour-by-hour.
How do I get to Cosho?
Tap Directions in the hero above to open driving directions in Google Maps, or Open in map to center the Snoflo interactive map on the campground.
Can I get alerts when conditions change?
Yes -- alerts are managed through the Snoflo iOS app. Favorite this campground, set a threshold (temperature, snowpack, precipitation), and you'll get a push the moment it crosses.
Other campgrounds near here
Snoflo-tracked campgrounds within driving distance of Cosho.