Metal Detecting Laws in Washington
Washington State Parks allows detecting only in specified portions of approved parks and requires users to complete the park registration process. Use is limited to posted open daylight hours. Approved campsites may be searched under the rule, but only within approved campgrounds and subject to registration and local maps.
Washington allows registered detecting in posted areas at more than 30 state parks
Washington State Parks allows detecting only in specified portions of approved parks and requires users to complete the park registration process. Use is limited to posted open daylight hours. Approved campsites may be searched under the rule, but only within approved campgrounds and subject to registration and local maps.
Permission begins with the exact land manager
Registration in specified areas of approved parks
Washington State Parks allows detecting only in specified portions of approved parks and requires users to complete the park registration process. Use is limited to posted open daylight hours. Approved campsites may be searched under the rule, but only within approved campgrounds and subject to registration and local maps.
Local complication
WAC 352-32-235 limits probes to two inches wide, sand scoops to six inches wide by eight inches long with specified perforations, and holes to six inches deep. Historical or archaeological objects must remain in place and be reported; parks can exclude beaches or other zones.
Private property
Obtain written owner permission covering the exact boundary, tools, restoration and division of valuable finds. The owner cannot waive laws protecting burials, human remains, archaeological resources, utilities or environmental features.
Federal and tribal land
National parks, forests, refuges, Corps projects, BLM parcels, military installations and tribal lands use separate authorities. Identify the parcel before interpreting a state rule.
Do not confuse access with detecting permission
| Location | Required check | Common mistake |
|---|---|---|
| Washington state park or managed site | Read the current rule and obtain any site permit or manager approval. | Assuming an entrance pass authorizes detecting and digging. |
| Beach or reservoir | Confirm the sand zone, season, hours, water boundary and recovery tools. | Extending a narrow beach exception into dunes, uplands or adjacent federal land. |
| Wildlife or conservation land | Use that division’s rules rather than the state-park rule. | Assuming all state-owned land follows one policy. |
| Federal land | Identify NPS, USFS, BLM, refuge or Corps jurisdiction and local orders. | Treating public access as permission to remove objects. |
| Private land | Get written owner consent and a finds agreement. | Ignoring protected burials, archaeology or utility hazards. |
Four checks before you unpack the detector
1. Confirm the parcel
Save the agency map or parcel record. Shorelines and reservoirs often contain several managers within walking distance.
2. Separate four permissions
Ask separately about possessing the detector, operating it, excavating or scooping, and keeping the object.
3. Record the conditions
Keep the permit, email or name of the official, together with dates, hours, boundary, depth and tool restrictions.
4. Stop at protected context
Do not disturb burials, artifact clusters, foundations, battlefields, shipwreck material, ordnance or culturally sensitive features.
- Washington State Parks metal detecting
- Washington registration form
- WAC 352-32-235
- National Park Service archaeology FAQ
- U.S. Forest Service metal-detecting guidance
- BLM collecting guidance
Check the exact property again before visiting. Regulations, permits, closures and superintendent orders can change. This article provides orientation, not legal advice or permission.
Leave the site better than you found it
Where detecting is authorized, use only the approved recovery tool and the smallest practical opening. Replace plugs, remove sharp trash, stay out of planted and restored areas, and do not interfere with visitors or facility operations. A signal is not proof that an object may be kept.
If the target may be human remains, ordnance, a burial object, an archaeological deposit or a component of a historic structure, stop. Do not clean or reposition it. Back away, record the location safely and notify the manager or law enforcement as appropriate.
Metal Detecting Laws in Washington FAQ
How many Washington parks offer detecting?
The agency says more than 30, but only their posted designated areas are open.
Is registration required?
Yes. Complete the process provided for the park before detecting.
When may I operate?
During daylight hours when the approved park is posted open.
Can I search campsites?
The rule may allow an occupied campsite registered to the user and unoccupied sites within approved campgrounds.
What is the maximum hole depth?
Six inches, followed by immediate refill and restoration.
What probes are allowed?
Ice picks, screwdrivers and probes may not exceed two inches in width.
Can every approved park beach be searched?
No. Individual maps control; Manchester, for example, allows detecting but not on its beach.
What if I find an older object?
Do not remove it. Report it immediately and stop disturbing the area.
Compare a permission-ready detecting kit
After the manager confirms the location and recovery method, compare current detectors, pinpointers and low-impact tools.
CHECK DETECTOR PRICES