RV park setting with open sky and countryside along Highway 91
Downey, Idaho — Highway 91

The road brought you here.
Stay a while.

Spacious full-hookup RV sites in the heart of the Snake River Valley. Wake up to open skies, quiet mornings, and the kind of peace that only a real stop — not just a pass-through — can give you.

Check Availability (208) 897-5654
Full
Hookups
50'
Max Length
HWY
91 Access
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RV site with full hookups in Downey Idaho
ID
Snake River Valley
RV Park
Downey, Idaho
Countryside view near Marsh Valley RV Park
About Us

A real place to rest
between destinations

Marsh Valley RV Park sits along Highway 91 in Downey, Idaho — a community built on hospitality and wide-open spaces. Whether you're crossing the state or taking your time through the valley, our park gives you the room to settle in.

We offer full-hookup sites that handle everything from a weekend stop to an extended stay. Clean restrooms, reliable utilities, and a quiet, respectful atmosphere are what we focus on — so you can focus on the road ahead or the view from your patio.

Full Hookups
Water, electric, sewer
Spacious Sites
Up to 50-foot RVs
Friendly Community
Traveled travelers
Easy Access
Right off Highway 91
Our Sites

Room to spread out,
everything you need

Our sites are designed for comfort and convenience. Pull in, hook up, and make yourself at home — whether it's one night or one season.

Spacious RV site with full hookups
POPULAR

Full-Hookup Sites

50-amp electric, water, and sewer connections on every site. Generous spacing between pads for privacy and easy maneuvering.

  • 50-amp electrical service
  • Water & sewer hookups
  • Up to 50-foot sites
RV park evening atmosphere
FLEXIBLE

Short & Long Stays

Stop by for a night between destinations or stay for a week. We welcome travelers on any timeline — no minimum stay required.

  • Nightly rates available
  • Weekly & monthly discounts
  • No long-term commitment needed
Quiet RV park setting with natural surroundings
COMFORTABLE

Quiet & Relaxing

Set back from the road with plenty of space between sites. Enjoy the quiet of the valley — star-filled nights and morning coffee on your own patio.

  • Spacious site spacing
  • Peaceful valley setting
  • RV-friendly pull-through options
Amenities

Everything you need,
nothing you don't

We keep our amenities practical and well-maintained. Clean restrooms, reliable water and power, and a friendly environment — that's the standard.

Clean Restroom Facilities
Well-maintained restrooms and shower areas for guest use.
Laundry Facilities
On-site laundry for longer stays — fresh clothes on the road.
Picnic Tables & Grills
Each site includes a picnic table and grill area for outdoor dining.
24/7 Access
Check in anytime — we accommodate your schedule, not the other way around.
RV park amenities and communal area
Full Hookups
Water · Electric · Sewer
Explore the Area

Your basecamp for
southeast Idaho adventures

Downey sits at the crossroads of some of Idaho's most beautiful country. From desert canyons to mountain lakes, the best stops are right outside your door.

Snake River Valley near Downey Idaho
OUTDOORS

Snake River Valley

Paddle, fish, or walk the trails along the Snake River — just minutes from the park.

Shoshone area canyon landscapes
HISTORY

Shoshone Canyon

Dramatic canyon country with hiking, rock climbing, and some of the state's most striking scenery.

Mason Top Reservoir fishing and recreation
FISHING

Mason Top Reservoir

A favorite for bass fishing and waterfowl hunting, just a short drive from Downey.

Hagerman Fossil Beds State Park
DISCOVERY

Hagerman Fossil Beds

Explore a national natural landmark where 3.5-million-year-old fossils tell the story of an ancient sea.

Boise National Forest trails and wilderness
ADVENTURE

Boise National Forest

Thousands of acres of forest, alpine lakes, and trails for hiking, biking, and camping.

Sun Valley resort area outdoor recreation
RESORT

Sun Valley

World-class skiing in winter and mountain biking in summer — a legendary Idaho destination.

Ready to make your next stop
your best one?

Call us or fill out the form below — we'll get you sorted and ready for the road.

(208) 897-5654 Send a Message
Contact Us

Get in touch
— we're here to help

Have questions about site availability, long-term stays, or anything else? Give us a call or send a message — we respond quickly.

Our Location
101 S Highway 91
Downey, Idaho 83234-1563
Office Hours
Monday – Sunday
8:00 AM – 8:00 PM

Send Us a Message

We'll get back to you as soon as possible.

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