Willamette National Forest — lakesideLive availability via Recreation.gov· synced every 30 min
Cascadia, OR, OR★ 4 (2 reviews)From $225/nightFederal campground · book on Recreation.gov
This site was originally a campground that has been converted to a group site with a 75-person capacity limit. There are 10 individual campsites. Sites #1-4 are back-in, paved surface sites suitable for tents and accommodating of trailers ranging up to 42 feet long depending on the site.
Best for:FamiliesSites:Tent
LIVE · weather + fire + AQI + availability + wildlife
Verified facts
RIDB / Recreation.gov official databaseCheck-in2:00 PM
Check-out12:00 PM
SeasonMay through October
Stay limit14 days
Max RV35 ft
HookupsNo hookups.
PetsAllowed
CampfiresAllowed
Max/site6 people
Amenities
RIDB /facilities /campsites · owner-verifiedEssentials
Fire RingsDrinking Water
Recreation
Picnic TablesFirewood for Sale
Family & Pets
Vault Toilets
Straight talk
CamperWatch intel · curated from camper reportsKnown issues, each with the workaround. Read before you book.
Known issuesFederal campground — book early. No hookups at most sites. Seasonal operations.
Skip it if:✕ Expecting hookups - no hookups available at this group site✕ Sensitive to insects - verified camper reports indicate significant insect population✕ Need year-round access - seasonal operations May through October only
Insider tips & when to go
CamperWatch intel · hand-curated entryBook early as this is a popular federal campground
Firewood available for purchase on-site
Sites #1-4 are paved back-in sites; Sites #5-10 are walk-in tent sites less than 60 feet from main area
Best: May-October
Official operating season for this seasonal campground
Things to do nearby
RIDB /activities /recareas + intelConditions today
LiveCell signal
FCC BDC · quarterly datasetT-Mobile
4G · 0%
Verizon
4G · 0%
AT&T
4G · 0%
FCC maps are theoretical — camper reports confirm signal.
Wildlife nearby
iNaturalist · research-grade · 8 kmAlert: Coyote, American Pika, Douglas' Squirrel, Barrow's Goldeneye, American Dipper, Red-tailed Hawk, Mountain Quail, Northwestern Garter Snake, and Valley Garter Snake present in the area.
Location
Leaflet · OpenStreetMap tiles
541-967-3917· Willamette National Forest
Getting there →
From Sweet Home, OR, follow Highway 20 east for 38 miles and look for signs for the Lost Prairie Group Site.
Campground entrance
Google Maps APICommunity
#community · posts, photos & Q&A · AI-moderated (Claude Vision)Pro tips
- Book on recreation.gov exactly 6 months ahead at 10am ET — Willamette National Forest fills fast in peak season.
- Check current road conditions at Willamette National Forest before arrival — seasonal closures common.
- Bear country — store all food in bear boxes or locked vehicle at all times.
Frequently asked questions
RIDB facts + intel · FAQPage schema, speakableHow much does Lost Prairie Group Site cost per night?+
Lost Prairie Group Site costs $225 per night. Hookup options: No hookups.
What season is Lost Prairie Group Site open?+
Lost Prairie Group Site is open May through October. Check-in is 2:00 PM, check-out is 12:00 PM.
Does Lost Prairie Group Site have hookups?+
No hookups.
What is the maximum RV length at Lost Prairie Group Site?+
Lost Prairie Group Site can accommodate RVs up to 35 feet.
How do I make reservations at Lost Prairie Group Site?+
Lost Prairie Group Site is a federal campground — book 6 months ahead at Recreation.gov. Set a free CamperWatch cancellation alert to be notified the moment a site opens.
What is the cell service like at Lost Prairie Group Site?+
According to FCC coverage maps, cell signal at Lost Prairie Group Site is rated none. FCC maps show theoretical coverage — actual signal in remote or heavily forested areas may be weaker.
What season is Lost Prairie Group Site open, and what are check-in times?+
Lost Prairie Group Site is open May through October. Check-in is 2:00 PM, check-out is 12:00 PM.
Official resources
●Data sources on this page
Recreation.gov — Live site availability — updated every 30 min
recreation.gov · RIDB API
National Weather Service — Live hourly forecast + active alerts
api.weather.gov · open-meteo.com
Google Air Quality API — Live AQI at exact campground coordinates
airquality.googleapis.com
iNaturalist — Research-grade wildlife within 8km
api.inaturalist.org
Google Pollen API — Today’s tree, grass & weed pollen forecast
pollen.googleapis.com
FCC Broadband Map — Verizon, AT&T, T-Mobile 4G/5G coverage data
broadbandmap.fcc.gov · quarterly
Sunrise-Sunset.org — Sunrise, sunset & golden hour for today
api.sunrise-sunset.org
Google Street View — Campground entrance & access road imagery
maps.googleapis.com
RIDB — ADA sites, hookups, toilets, pets, campfire rules, bear boxes, max RV, activities, contact, directions
ridb.recreation.gov · /facilities /campsites /activities /links /recareas
CamperWatch never fabricates data. Where data is unavailable, it is not shown.
$225 /night★ 4 (2)
SeasonMay through October
Check-in2:00 PM
Check-out12:00 PM
Dates full? Get an availability alert
FAQ
How much does Lost Prairie Group Site cost per night?+
What season is Lost Prairie Group Site open?+
Does Lost Prairie Group Site have hookups?+
All 7 questions →Nearby Campgrounds
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