Camping Area

Willow Flats Sump campground

Oregon, USA Southern Oregon Coastal watershed 43.252°, -122.797°
Today high
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Tonight low
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Reservations
No
Nearby campsites
6
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Willow Flats Sump -- Oregon campground
Willow Flats Sump Oregon · Southern Oregon Coastal watershed
About this campground

Willow Flats Sump

Willow Flats Sump Camping Area is located in the Malheur National Wildlife Refuge in southeastern Oregon. The campground is situated alongside the Donner and Blitzen River and offers stunning views of the surrounding mountains and wetlands. The area is home to a diverse range of wildlife, including deer, coyotes, and a variety of bird species. One of the nearby points of interest is the historic Diamond Craters, a series of volcanic craters that can be explored by visitors.

The campground has ten first-come-first-served campsites available and offers several amenities, including fire rings, picnic tables, and vault toilets. There is no drinking water available on-site, so visitors are advised to bring their own.

An interesting fact about the area is that the Malheur National Wildlife Refuge is one of the largest wetland ecosystems in the state of Oregon, covering over 187,000 acres. It is also a popular spot for birdwatching, with over 300 species of birds recorded in the area.

The best time of year to visit Willow Flats Sump Camping Area is during the summer months when temperatures average around 80°F during the day and drop to around 40°F at night. However, visitors should be aware that the area can be prone to thunderstorms during the summer months.
StateOregon
WatershedSouthern Oregon Coastal
Latitude43.2525°
Longitude-122.7966°
Amenities

What's on-site at Willow Flats Sump

Key facilities Snoflo tracks for this campground. Confirm with the operator before booking -- amenities can change seasonally.

📅
Reservations
First-come, first-served
🚽
Toilets
Not listed
🚿
Showers
Not listed
🔥
Fire rings
Check rules
Detailed forecast

Plan your trip down to the hour

Same weather feed Snoflo's iOS app uses -- updated continuously from NOAA / yr.no.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

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
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks. Hover any point for the full breakdown.

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Nearby campgrounds

Other campgrounds in the area

Snoflo-tracked campsites within driving distance of Willow Flats Sump, with reservations status.

Campground Reservations Toilets View
Emile Shelter
Cougar Shelter Forest Camp
Fairy Shelter Forest Camp
White Creek Campground
White Creek
Live water

Nearby streamflow

USGS streamgauges within reach of Willow Flats Sump -- pulled live from the National Water Information System.

Snowpack

Nearby snow depths

NRCS SNOTEL stations within reach of Willow Flats Sump -- relevant when planning a shoulder-season or alpine trip.

SNOTEL station Snowpack 24h Snowfall View
Toketee Airstrip 0.0 in 0.0 in
Nohrsc Toketee Airstrip 0.0 in 0.0 in
Lemolo Lake 3 Nnw 0.0 in 0.0 in
Nohrsc Holland Meadows 0.0 in 0.0 in
Holland Meadows 0.0 in 0.0 in
Canyonville 2s 0.0 in 0.0 in

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 Willow Flats Sump as a favorite, set a custom threshold (precipitation, snowpack, freezing temperatures), and the iOS app will push the moment conditions cross.

FAQ

About Willow Flats Sump

Can I make reservations at Willow Flats Sump?

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 Willow Flats Sump?

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.

More camping

Other campgrounds near here

Snoflo-tracked campgrounds within driving distance of Willow Flats Sump.