309 campground
309
Reservations are not accepted at the 309 Camping Area, making it a first-come, first-served basis campground. Therefore, ensuring an early arrival is advisable, especially during the peak season. Speaking of which, the best time to visit this camping area is during the summer months, specifically from June to August. During this time, the weather is generally pleasant, allowing campers to enjoy outdoor activities like hiking, fishing, and wildlife spotting.
While the 309 Camping Area offers an idyllic setting, it is crucial to be aware of certain factors for a safe and enjoyable trip. Firstly, due to its popularity, the campground can get crowded, particularly on weekends and holidays. Arriving early in the day or considering a weekday visit may help secure a spot. Additionally, visitors should be cautious of local wildlife, such as bears and snakes, and take necessary precautions to minimize encounters. It is important to store food securely and avoid leaving any trash unattended. By following these guidelines, campers can make the most of their experience at the 309 Camping Area.
What's on-site at 309
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.
Nearby streamflow
USGS streamgauges within reach of 309 -- pulled live from the National Water Information System.
| Streamgauge | Discharge | View |
|---|---|---|
| Snake River Ab Jackson Lake At Flagg Ranch Wy | 3,070 cfs | → |
| Snake River Nr Moran Wy | 4,010 cfs | → |
| Pacific Creek At Moran Wy | 886 cfs | → |
| Buffalo Fork Ab Lava Creek Nr Moran Wy | 2,310 cfs | → |
| Falls River Ab Yellowstone Canal Nr Squirrel Id | 1,350 cfs | → |
| Falls River Nr Squirrel Id | 617 cfs | → |
Nearby snow depths
NRCS SNOTEL stations within reach of 309 -- relevant when planning a shoulder-season or alpine trip.
| SNOTEL station | Snowpack | 24h Snowfall | View |
|---|---|---|---|
| Nohrsc South Entrance Ynp Snake River Station - Snotel | 0.0 in | 0.0 in | → |
| Snake River Station | 0.0 in | 0.0 in | → |
| Snake River Rs - Coop | 0.0 in | 0.0 in | → |
| Nohrsc Lewis Lake Divide Snotel | 0.0 in | 0.0 in | → |
| Lewis Lake Divide | 0.0 in | 0.0 in | → |
| Grassy Lake | 0.0 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.
Parks
Fishing spots
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 309 as a favorite, set a custom threshold (precipitation, snowpack, freezing temperatures), and the iOS app will push the moment conditions cross.
About 309
Can I make reservations at 309?
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 309?
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.