National Parks / Alerts
National Park Alerts
639 active alerts across the National Park Service — closures, hazards and cautions, most urgent first. Browse the full park directory instead.
There are multiple traffic stops along Highway 101 from Orick, CA to Crescent City, CA due to road construction. Extra time may be needed to travel throughout the park. Delay times may vary. Please stay alert and drive cautiously.
Trails at River Raisin National Battlefield Park are not maintained during winter months. Please use caution.
Vehicle break-ins have occurred at the King Canyon Trailhead, as well as at other trailheads throughout the park. Hide valuables and consider taking them with you, secure your vehicle, and report any suspicious activity. Please call 911 to report criminal activity or the Pima County Sherriff's Department Non-Emergency number at 520-351-4900.
Avoid area around the church & under trees in high wind conditions
In order to reach the Sand Creek Massacre Site, visitors must travel on at least 8 miles of unpaved roads. We are not able to guarantee road conditions of county roads 54 or W after spring storms.
Be cautious around sea lions, and dead or sick birds. If you get “bombed” by a bird, wash with soap and water immediately, monitor for signs of illness, and call your doctor. Report beached, sick or distressed wildlife to Wildlife Mortality Reporting.
San Juan Island National Historical Park provides habitat for many species of animals. When you visit the park, you are visiting their home. Do not approach any wildlife within 75 ft/23 m (two school bus lengths).
Visitors are reminded to park in designated parking areas when accessing the park via boundary trailheads. Parking in unauthorized locations may result in your vehicle being towed at the owner's expense. Park on the right side of the road approaching Thompson Hollow. Parking is authorized up to the "No Parking" sign before a private driveway.
Highway 177 is 60 mph with a blind spot directly across from the house. Safely use the highway underpass to the Fox Creek Trail just south of the visitor center parking lot. Be smart, stay alive.
The house at Glenmont is currently experiencing high heat conditions. As a result, house tours may be abbreviated or canceled due to safety concerns.
Reservations are strongly recommended. Reservations are the only way to ensure a spot is available for your party. Please plan accordingly by visiting Recreation.gov to secure your tickets in advance. Availability of walk-up tickets is not guaranteed.
Due to the trail being steep of 12 percent grade, all visitors wishing to hike the Lower Cliff Dwelling Trail must bring a water bottle with them. No Exceptions.
All park trails are closed for 30 minutes following any lightning strikes five miles or less from the park. This includes the Pueblo Trail and Tavasci Marsh Trail. Please check the forecast ahead of your visit.
Rain may cause trails to be slick and overgrown. Staff and Volunteer Trail Crews clear trails regularly. Visitors should use caution and report trail issues to [email protected]
Due to the impacts of Typhoon Sinlaku, areas of Asan Beach remain inaccessible. Visitors should use caution when walking to the beach area and stay out of damaged areas.
Open fires of any kind, including charcoal fires, are prohibited until conditions improve. Smoking is prohibited except for in vehicles or buildings where indicated. Use of gas stoves is permitted in areas that are clear of flammable materials.
The old route to access Root Glacier is no longer safe due to unstable ground. An alternative, new route exists past the Amazon Creek. Seek information at the visitor center or news release webpage.
Animals in Yellowstone are wild and dangerous. Stay at least 100 yards (91 m) from bears/wolves/cougars and 25 yards (23 m) from bison/elk/all other wildlife. Carry bear spray (even on short walks) and know how to use it—you can rent/purchase/recycle it at several locations in the park.
No setting, building, maintaining, attending, or using open fires of any kind in the park. This includes campfires and charcoal fires in Watchman Campground, South Campground, and picnic areas in Zion Canyon. Stoves fueled by petroleum or liquid propane gas are allowed. Smoking is prohibited, except within an enclosed vehicle.
As of June 7, 2026, the park is enforcing size and weight limits for vehicles on the Zion-Mt. Carmel Highway. Vehicles that exceed length, width, height, or weight limits cannot travel between Canyon Junction and the park's East Entrance. See the current limits on the page linked below.
Do not submerge your head in or filter drinking water from still or moving water.
Groups of 11 or more people should contact the Visitor Center at [email protected] or 617-770-1175 at least two weeks in advance to arrange their visit.
Starting August 24, the Adams Farm at Penn’s Hill (John Adams and John Quincy Adams Birthplaces) will close for construction on a major cultural landscape project. The entire site will be inaccessible from August 24 through the remainder of the tour season. The Visitor Center and Peace field remain open and accessible.
Visit https://www.nps.gov/adam/planyourvisit/2026-tour-season.htm for details on the 2026 tour season, including operating hours and tour offerings. The Visitor Center is open 9am-5pm Wednesdays-Sundays. The historic homes are open Wednesdays-Sundays. Entrance fees required for entry into historic homes. Guided tour reservations are available first-come, first-served on the day of the tour at the Visitor Center. Reservations not required for self-guided tours.
Bags larger than 9"x11"x5" are not permitted in the historic homes. The park does not have storage lockers for these items. Bags may not be left unattended and cannot be left with park staff. Anyone carrying a bag larger than 9"x11"x5" will not be admitted into the historic homes.
Fuel up before visiting! Agate Fossil Beds National Monument is 30-50 miles from the nearest service stations.
Cell phone voice and data coverage is very limited in the park and surrounding area. Free visitor WiFi is available in the visitor center.
Until approximately 2028, a portion of the cell house will be closed to visitors for important historic preservation work. We apologize for any inconvenience. Learn more at https://www.nps.gov/alca/alcatraz-historic-preservation-projects.htm
The National Park Service announces that Federal Highway Administration contractors will begin roadway and pavement maintenance at Sanford Yake Campground starting Monday, July 13, 2026. This project will include chip seal, micro seal, micro surfacing, and pavement striping throughout key areas of Lake Meredith National Recreation Area. Visitors to Alibates Flint Quarries National Monument and Lake Meredith National Recreation Area are encouraged to follow all posted message boards and traffic instructions.
Road construction to occur Monday through Friday between the hours of 7:00 am and 8:00 pm, weather permitting. Expect delays of up to 30 minutes during active construction periods.
Due to a rockfall, the interior of the Staple Bend Tunnel is closed. The trail is still open. From the Mineral Point Trailhead, visitors can bypass the tunnel, via a path around the right side of the tunnel structure.
Cell phone voice and data coverage is very limited in the park and surrounding area.
Currently, there is no visitor center for Amache National Historic Site. There is a museum in the town of Granada that is operated by Amache Preservation Society. Learn more at amache.org
The Diablo East Marina Cove, Scuba Cove, and walkway access are closed because of the presence of excessive docking material, unsafe walkway and dock, and unstable, loose ground. The area will reopen once these hazards have been corrected.
Due to low water levels, only the left side of Diablo East and Rough Canyon boat ramps are open. Please use caution with Spur 406 and Spur 454 launches, as the water may be too shallow to launch most boats. To see a list of open ramps, click on "more."
The Home of our 17th president has reopened to the public. Daily tours available. See GUIDED TOURS information on website for more details.
There is a detour on the trail due to downed trees. Our staff is working diligently to remove these from the trail.
The trail between Presque Isle Bay and Quarry Bay on Stockton Island is open, but a footbridge on the western portion of the trail was washed out in a 2024 storm. Visitors must wade through shallow water or take an alternate route.
Outer Island is closed to all use from 10 PM to 6 AM due to bear activity and food‑storage concerns. Day use is permitted outside these hours. The closure remains in effect until further notice to protect visitor safety and support ongoing wildlife management.
There are privately occupied residences and docks on the southeast corner of Sand Island, as well as just north of Group Site A on Rocky Island. These areas are closed to the public. Please respect their privacy and do not trespass in these locations.
Construction has begun on the Meyers Beach Access Path Project. Access to the beach and parking lot will remain open, but visitors should expect construction noise and closed lawn areas for staging. Kayak groups should move gear directly to the beach to reduce congestion. The project will upgrade the existing staircase to include a universally designed path, improving access to the beach and kayak launch for all visitors.
Construction for the Little Sand Bay Marina Rehabilitation Project begins May 1. The Town of Russell boat launch and the NPS kayak beach will remain open, with short detours around work areas. Expect reduced parking, delays, and increased noise. The Little Sand Bay Visitor Center will be closed in 2026 due to construction.
Devils Island dock and campsites and West Bay Club on Sand Island are closed. These closures affect only a small portion of the Lakeshore. Enjoy your visit.
Many closures remain on the Trail following Hurricane Helene's devastation. This will remain true for the foreseeable future. Visit the Appalachian Trail Conservancy (ATC) website for an up-to-date list of closures. OBSERVE ALL CLOSURES. Stay safe!
The park's phone number has temporarily changed. Please call 434-694-8904.
Planning to visit Arches this year? To ensure the best experience, please anticipate potentially long wait times at the entrance station. If trailhead parking is full, plan to return a little later. Please avoid parking on vegetation and roadways to help preserve this beautiful place for everyone to enjoy.
Due to HVAC system issues, Arlington House may close to visitors when interior temperatures reach 85°F. Temporary closures may occur with little notice to protect the safety and comfort of visitors and staff.
Effective 4/2/26: The closure includes the following areas within the boundary of the National Seashore : * North End * All island interior beach habitat along the northern section of Assateague Island National Seashore (north of Assateague State Park) is closed to all entry between KM 0.5 - KM 9.5. * The island interior beach habitats between KM 21.8 - 22.8 and 23.5 - 24.5 of the MD OSV Zone are closed to all entry. This includes habitat from the existing OSV boundary west to the vegetated shrub line.
6/8/26 MD open to State Line. VA South OSV fully closed. The VA North OSV fishing mile is open to 12 vehicles.
Pets are not allowed inside the visitor center at Aztec Ruins or on the trail through the Aztec West Great House. Pets are welcome in the parking lot, the picnic area, and along the Old Spanish Trail. Service animals are the only exception. Emotional support, therapy, and companion animals are not considered service animals and therefore not permitted in the visitor center or on the trail through Aztec West.
Source: National Park Service.