Tinkham Campground is a national park campground at Mt. Baker-Snoqualmie National Forest in King County, Washington. Reservations are managed through Recreation.gov. When a booked site here is cancelled it can vanish within minutes, so Campsite Tonight monitors it 24/7 and auto-adds the opening to your Recreation.gov cart before anyone else.
Tinkham Campground is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.
The campground accommodates RVs and trailers up to 46 ft. Campers rate it 3.3/5 across 96 reviews.
Other campgrounds at Mt. Baker-Snoqualmie National Forest include Denny Creek Campground, Middle Fork Campground and Miller River Group Camp.
Total reservations in May — 2023: 79 · 2024: 127 · 2025: 113
Address
King County, Washington
Coordinates
47.4025, -121.5675
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
Mt. Baker-Snoqualmie National Forest
Mt. Baker-Snoqualmie National Forest
Okanogan-Wenatchee National Forest
Okanogan-Wenatchee National Forest
Mt. Baker-Snoqualmie National Forest
Okanogan-Wenatchee National Forest
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