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RVParks.com lists RV parks and campgrounds across the United States. Bookings are completed on each park's or partner's own site; we may earn a commission from partner links. Availability and prices come from partner feeds, can change at any time, and should be confirmed when you book.

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Quick facts

LocationNewport, Washington
Nightly rate (listed)$15–$150/night
Guest rating4.1 / 5 (8 reviews)
Maximum RV length50 ft (longest listed site)
Hookupswater, electric
Electrical service20A / 30A
RV sites5
ShowersYes
Book onCampspot

Amenities

  • Big rigs Big-rig friendly: the longest listed site is 50 ft. Check your site's length when you book.
  • Waterfront Waterfront per the listing; not every site is on the water.

From the park's listing on Campspot. Confirm details with the park before you book.

More Washington RV parks with: Big Rig Sites

Other RV parks near Cowles Scout Reservation

  • Newport / Little Diamond Lake KOA Holiday Newport, WA · 0.8 mi straight-line
  • Pioneer Park Newport, WA · 8.9 mi straight-line
  • Albeni Cove Oldtown, ID · 10.1 mi straight-line
  • StoneRidge MotorCoach Village Blanchard, ID · 13.5 mi straight-line
  • Priest River Oldtown, ID · 14.8 mi straight-line
  • Mount Spokane State Park Green Bluff, WA · 16 mi straight-line
  • Under the Cedars Priest River, ID · 17 mi straight-line
  • Deer Lake Resort Loon Lake, WA · 18.2 mi straight-line
  1. Home
  2. Washington
  3. Newport
  4. Cowles Scout Reservation

Where Cowles Scout Reservation fits

Nearest alternatives
Newport / Little Diamond Lake KOA Holiday (0.8 mi) · Pioneer Park (8.9 mi) · Albeni Cove (10.1 mi)

Other nearby options

Closest stays by type. Distances are straight-line from Cowles Scout Reservation, not driving.

  • Closest glampingDeer Lake Resort18.2 mi away (straight-line) · PrivateAvailable for your datesCedar Cabin: from $161/nightCheck availability on Hipcamp ↗
  • Closest private full-hookupStoneRidge MotorCoach Village13.5 mi away (straight-line) · PrivateAvailable for your dates50 Amp Basic Full Hookup RV Site: from $90/nightCheck availability on Campspot ↗

Not confirmed open for your dates

  • Closest public / first-comePioneer Park8.9 mi away (straight-line) · PublicUnavailable for your datesCheck availability on Recreation.gov ↗
  • Next closestNewport / Little Diamond Lake KOA Holiday0.8 mi away (straight-line) · PrivateCheck availabilityCheck availability on KOA ↗

Other stays nearby

Available Oct 30 – Nov 1 · 2 nights1 site open for every night

StoneRidge MotorCoach Village

13.5 mi from Cowles Scout Reservation (straight-line)
Full-hookup RV sites
Sites from $90/night
$180 total for Oct 30 – Nov 1 · before taxes & fees
Rates & availability from Campspot · you book on their site
View Campsites
Available Oct 30 – Nov 1 · 2 nights10 sites open for every night

Deer Lake Resort

18.2 mi from Cowles Scout Reservation (straight-line)
Tent sites · RV sites w/ hookups · Cabins / glamping
Sites from $53/night
$106 total for Oct 30 – Nov 1 · before taxes & fees
Rates & availability from Hipcamp · you book on their site
View Campsites
Check availability

Newport / Little Diamond Lake KOA Holiday

0.8 mi from Cowles Scout Reservation (straight-line)
Tent sites · Full-hookup RV sites · Cabins / glamping
KOA doesn't share live availability with us; check dates on their siteSites from $44/night
Booked on KOA
View Campsites

Cowles Scout Reservation

Private campground · Newport

This weekend · Available Oct 30 – Nov 1 · 2 nights3 sites open for every night · from $45/night

4.1 on Campspot · 8 reviewsBook on Campspot
Newport, Washington, 4161 North Shore Diamond Lake Road, Newport, WA 99156
Saving doesn't reserve a site.
SitesAmenitiesReviewsLocationPolicies

About this campground

Cowles Scout Reservation is a private campground booked through Campspot in Newport. It lists 5 RV or RV/tent sites, 4 tent sites and 6 cabin or glamping units for rigs up to 50 ft. 4 sites have electric. Pets are allowed per the listing.

Highlights

  • WaterfrontListed amenity on Campspot
  • Electric sitesElectric hookups available
  • Rigs up to 50 ftLongest RV site on the Campspot site list
  • Cabins or glampingCabins available

Good for

Big rigs (up to 50 ft)Tent campingCabins / glampingDogs

Know before you go

  • Longest listed RV site is 50 ft; individual sites vary, so check the site length when booking.
  • Check-in times, fees and house rules aren't listed here; see the Campspot listing before booking.
  • Bathrooms
  • Showers
  • Waterfront
All amenities

Amenities

BathroomsShowersWaterfront

Nearby activities

BikingFishingHikingPaddlingWildlife Watching

Find your campsite

Checking 2 nights (your saved dates or this weekend). Tell us what you're staying in to see matching sites and prices.

Every site at this campground

Availability checked Oct 26 on Campspot. Rates are the provider's nightly rates; totals are estimates before taxes & fees.

3 open of 3 site types
RV Site (Water Only)
Site length up to 50 ftHookups not listed
Available for both nights

Your dates will carry over. Choose “RV Site (Water Only)” on Campspot.

from $45/night
Estimated stay total $90 for 2 nights, before taxes & fees
RV Site (20 Amp)
Site length up to 35 ftElectric
Available for both nights

Your dates will carry over. Choose “RV Site (20 Amp)” on Campspot.

from $55/night
Estimated stay total $110 for 2 nights, before taxes & fees
RV Site (30 Amp)
Site length up to 42 ftElectric
Available for both nights

Your dates will carry over. Choose “RV Site (30 Amp)” on Campspot.

from $55/night
Estimated stay total $110 for 2 nights, before taxes & fees

Book with Campspot

You book with the provider. Each row shows that provider's lowest open option for your dates, and which provider our main button uses.

CampspotMain booking button
Availability & rates from this provider, checked Oct 26
Lowest open: RV Site (Water Only)
Available for your dates · 3 sites
from $45/night
Book with Campspot ↗
Your dates are passed to this provider.
View full availability calendar · night-by-night from Campspot

Availability checked Oct 26 on Campspot.

SiteFr
30
Sa
31
Price
RV Site (Water Only)
rv
✓✓from $45
RV Site (20 Amp)
rv
✓✓from $55
RV Site (30 Amp)
rv
✓✓from $55

✓ available · R reserved · X not available · C closed · W first come, first served · N not yet released

What guests say

Verbatim from guest reviews on Campspot ↗ (8 reviews, ★ 4.1). Not written or edited by us.

“Clean, quiet ,lots to do, fair pricing and Ranger Leo was very nice and helpful”

Holli A 5 · Sep 2025 · Campspot

“Our stay was great! Very quiet and had the beach to ourselves. RV spot was on the water and very clean.”

Jan R 5 · Aug 2025 · Campspot

“Beautiful property with sandy beaches, lots of trail to hike, swimming, boating, and wildlife. The cabins are rustic but perfect for setting. Ranger Leo was a great host and got us setup.”

Amber P 5 · Aug 2024 · Campspot

Location & access

This weekend (Fri, Oct 30 – Sun, Nov 1): Book online. Reservations online on Campspot — open dates and rates come from the booking site.

Longest RV site listed: 50 ft. Unsure if your rig fits? Check it in the Rig Fit tool

Location

Newport, Washington, 4161 North Shore Diamond Lake Road, Newport, WA 99156
Open in Google Maps ↗

Policies

Not listed — check the provider's page for check-in times, fees and rules.

About

With 960 acres of land and 2 miles of lakefront, Cowles Scout Reservation makes for the perfect camping experience. Whether you're looking to stay with a large group, or just need a spot for you and your family, there is something for you here! Spend your day hanging around the lakefront of Diamond Lake, hiking the beautiful property, keeping your eye our for wildlife, and so much more. If you're interested in exploring offsite, you'll be only 40 miles north of Spokane. Experience the best of Washington. Book your spot today!

Policies & rules

Key facts

Max rig length
Longest RV site listed: 50 ft (5 of 5 RV sites list a length) Listing
Hookups & power
4 electric sites · 20/30-amp listed Listing
Pets
Pets allowed Listing
Booking
Reservable on Campspot Listing
Getting there
Newport, Washington, 4161 North Shore Diamond Lake Road, Newport, WA 99156 (map in Location below) Listing
All 15 facts with sources ↓
Why stay here and common questions

Why stay here?

  • RV sites listed for rigs up to 50 ft.
  • Has glamping units, cabins if you don't want to bring gear.
  • Showers on site (per listing).

Cowles Scout Reservation: questions answered

What is the maximum RV length at Cowles Scout Reservation?
Longest RV site listed: 50 ft (5 of 5 RV sites list a length) (per the listing)
Does Cowles Scout Reservation have RV hookups?
4 electric sites · 20/30-amp listed (per the listing)
How do I reserve a site at Cowles Scout Reservation?
Reservable on Campspot (per the listing)
Are pets allowed at Cowles Scout Reservation?
Pets allowed (per the listing)
At a glance: all 15 facts with sources

Quick facts

Agency / operatorPrivate — Campspot
Booking
Available for your dates · 3 sitesSites from $45/night

Estimated stay total from $90 for 2 nights on Campspot · before taxes & fees

View campground on Campspot ↗

Availability checked Oct 26 on Campspot.

You book each site directly with Campspot. Prices and availability can change until booked.

3 openSites from $45/night
Online via Campspot (booking listing; window not listed)
Max RV / trailer lengthNot listed
Bear storageNot listed
SeasonNot listed
HookupsNot listed

"Not listed" means no source we use states it.

At a glance

Official facts link to their source; “Listing” facts come from the Campspot listing. Anything we can't source says so.

Max rig length
Listing Longest RV site listed: 50 ft (5 of 5 RV sites list a length)
Hookups & power
Listing 4 electric sites · 20/30-amp listed
Pull-through / back-in
Listing 0 pull-through, 5 back-in
Pets
Listing Pets allowed
Water
Listing Water at 8 sites
Booking
Listing Reservable on Campspot
Price
Listing Lowest listed rate $40/night (live price once you pick dates)
Getting there
Listing Newport, Washington, 4161 North Shore Diamond Lake Road, Newport, WA 99156 (map in Location below)
Road & site access · Generators · Quiet hours · Cell signal · Starlink / satellite · Shade · Stay limits
Not listed — check with campground