Summer 2026 Family Camping

Let's pick where we're going.

I did the legwork on 12 Washington State camping spots that fit our group. Browse them, vote for your favorites, and send me your picks. We'll land on one together.

Group10–15 people
Stay4 nights, Thu–Mon
Budget~$1,500
Home baseSeattle

Candidate weekends

  • June 18–22, 2026
  • July 16–20, 2026 Weather goldilocks
  • August 13–17, 2026
  • August 27–31, 2026

Heads up: all four windows are already bookable, so popular spots are filling fast. We need to lock something in within ~1–2 weeks.

How this works

Each property below has a thumbs up / thumbs down and a star rating. Your votes save in your own browser (nothing is shared until you want it to be). When you're done, hit Share my picks at the bottom to copy a summary you can text or email to me.

Top 4 Picks

These are the strongest matches for our group. Start here.

The other 8 I considered

These didn't make the top 4 but are all viable if the favorites are full. Vote on these too if any catch your eye.

#5

Kanaskat-Palmer State Park Ravensdale, King Co. · ~60 min SE

6 yurts + tent sites on the Green River (whitewater). Pet-friendly. ~$69–75/yurt. Less competitive to book than coastal spots.

Sleeps
5/yurt (~30) + tents
#6

Flowing Lake Park Snohomish, Snohomish Co. · ~60 min NE

4 cabins + 48 campsites. Lake swim/boat, fire rings, electricity in cabins. ~$75–95/cabin. 2-night min; Fri + Sat required on weekends.

Sleeps
5/cabin (20 in cabins) + tents
#7

Millersylvania State Park Tenino, Thurston Co. · ~75 min S

Group camp (tents) + 16-cabin retreat center (sleeps ~150). Tilley Lake swim, hiking, Kitchen Shelter w/ wood stove + electric. Retreat Center requires email quote.

Cost
Group camp ~$100–200; retreat = quote
#8

Seaquest State Park Castle Rock, Cowlitz Co. · ~2 hrs S

Yurts + tent sites. Mt. St. Helens gateway, Silver Lake views, hiking to interpretive center. ~$69–85/yurt.

Sleeps
~5/yurt + tents
#9

Lewis and Clark State Park Winlock, Lewis Co. · ~90 min S

Cabins + tent sites. Old-growth forest, hiking, historical site. ~$65–85/cabin.

Sleeps
~5/cabin + tents
#10

Cougar Rock Group Campground Mt. Rainier NP · ~2.5 hrs SE

Tents only (no cabins/yurts). 5 group sites — book one site 1 (30) or 2 (40). $60/night × 4 = $240 total for up to 40 people. Unbeatable value if we're all willing to tent it. Close to Longmire + Paradise trails.

Cost
$60/night per site
Heads up
June 18–22 may still have snow (3,180 ft)
#11

Deception Pass State Park Whidbey/Fidalgo, Island Co. · ~75 min N

Cabins + multiple group camps. Most-visited WA state park — ocean beaches, hiking, the arch bridge. Extremely competitive to book. Crowded in summer.

Cost
Cabins ~$80–110; group camps ~$150–300
#12

Larrabee State Park Bellingham, Whatcom Co. · ~90 min N

Group camps + tent sites (no cabins/yurts). Puget Sound rocky coast, tidepools, Chuckanut Mountain hiking. Pet-friendly.

Cost
~$100–200/group site

Booking timeline

Once we pick, here's the plan. All four windows are already open for booking, so we're racing other families — not a booking window.

  1. 8:00 AM — Kayak Point yurts. Try July 16–20 first. reservations.snocoparks.org or call 425-388-6600 at 8:30.
  2. 8:30 AM — Tolt-MacDonald yurts + group tent site. King County Parks. Backup phone: (206) 296-8687.
  3. 8:45 AM — Silver Lake Park. Cabins online at secure.itinio.com/whatcom. Group camp is phone-only at 360-778-5850 (opens 9:00 AM).
  4. 9:00 AM — WA State Parks backup. Ike Kinswa, Kanaskat-Palmer, Seaquest, Lewis & Clark via washington.goingtocamp.com. Phone: 888-CAMPOUT.
  5. Lock immediately. Any top-4 on hold beats waiting. State Park cancellations have a fee but are allowed — we can adjust later.

What to have ready before booking

Send me your picks

When you've voted on the ones you like, hit the button below. It copies a summary to your clipboard — paste it into a text or email to Dave.