Sims Flat campground
Sims Flat
Reservations are accepted at Sims Flat campground, which allows campers to secure a spot in advance and plan their trip accordingly. It is recommended to make reservations in advance, especially during the peak season, to ensure availability. As for the best time to visit, the summer months, from June to September, are the most popular due to the warmer weather and longer days. However, it is important to note that the campground can get crowded during this time, so if you prefer a quieter experience, consider visiting during the shoulder seasons of spring or fall.
While visiting Sims Flat camping area, there are a few things to be mindful of. It is advised to store food properly and take precautions against bears, as they are known to frequent the area. It is also essential to bring insect repellent, as mosquitoes can be quite bothersome. Lastly, remember to pack appropriate gear for various weather conditions, as the temperature can vary throughout the day and night. Overall, Sims Flat camping area provides a fantastic opportunity for outdoor enthusiasts to immerse themselves in nature and enjoy a memorable camping experience in California.
What's on-site at Sims Flat
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 Sims Flat, with reservations status.
| Campground | Reservations | Toilets | View |
|---|---|---|---|
| Sims Flat Campground | ✗ | ✗ | → |
| Girard Ridge Lookout | ✓ | ✗ | → |
| Castle Crags State Park | ✓ | ✓ | → |
| Lower Loop Campground | ✗ | ✗ | → |
| Pct Camp | ✗ | ✗ | → |
Nearby streamflow
USGS streamgauges within reach of Sims Flat -- pulled live from the National Water Information System.
| Streamgauge | Discharge | View |
|---|---|---|
| Sacramento R A Delta Ca | 425 cfs | → |
| Trinity R Ab Coffee C Nr Trinity Ctr Ca | 106 cfs | → |
| Sacramento R A Keswick Ca | 11,500 cfs | → |
| Trinity R A Lewiston Ca | 782 cfs | → |
| Rush C Nr Lewiston Ca | 8 cfs | → |
| Anderson-Cottonwood Id Cn At Sharon St Redding Ca | 272 cfs | → |
Nearby snow depths
NRCS SNOTEL stations within reach of Sims Flat -- relevant when planning a shoulder-season or alpine trip.
| SNOTEL station | Snowpack | 24h Snowfall | View |
|---|---|---|---|
| Nohrsc Slate Creek | 1.0 in | 0.0 in | → |
| Highlands Lakes | 21.9 in | 0.0 in | → |
| Castle Lake | 6.5 in | 0.0 in | → |
| Mumbo Basin Raws | 0.0 in | 0.0 in | → |
| Bonanza King | 0.0 in | 0.0 in | → |
| Mt. Eddy | 0.4 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.
Parks
- Castle Crags State Park
- Wilderness Castle Crags
- Dunsmuir City Park And Botanical Gardens
- Cantara/Ney Springs Wildlife Area
- Mt Shasta City Park
- Shastice Park
Boat launches
- Castle Lake Trail #4w02 Siskiyou County
- Lake Siskiyou Trail - Delta Segment Siskiyou County
- Shasta County
- Digger Bay Road, Shasta Lake
- National Forest Development Road 41n08 Siskiyou County
Fishing spots
Points of interest
Paddle runs
- Headwaters At Outlet Of Lower Canyon Creek Lake To Canyon Creek Trailhead At Ripstein Canyon Creek Trailhead At Ripstein
- Headwaters In Russian Wilderness To Wilderness Boundary
- Scott District Boundary To Confluence With Sixmile Creek
- Confluence Of Tributaries In Sec 6 Near Black Mtn. To Confluence With Blind Horse Creek
- Clear Creek
- Canyon Creek Trailhead To Confluence With Mainstream Trinity River
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 Sims Flat as a favorite, set a custom threshold (precipitation, snowpack, freezing temperatures), and the iOS app will push the moment conditions cross.
About Sims Flat
Can I make reservations at Sims Flat?
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 Sims Flat?
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 Sims Flat.