Give wildlife room
100 yards from bears and wolves. 25 yards from every other animal.
Use a zoom lens, never approach for a photo, and stay inside the car when animals are close to the road. Bison can sprint three times faster than people.
Keep this close
Safety first
The clearest version of what matters. Read it together before leaving Jackson.
If there is an emergency
Call 911 when you have service. Give the nearest named landmark.
Service is unreliable. Tell someone your route, carry water and warm layers, and do not rely on this guide for emergency dispatch.
Quick contacts
Save these before the trip. Calls still require phone service.
Stay on thermal walkways
Boardwalks are boundaries, not suggestions.
Thin crust can cover scalding water. Hold onto loose items, keep food packed away, and never test the ground beside a trail.
Pull over completely
The passenger handles the guide while the car is moving.
Use marked pullouts, keep all wheels beyond the traffic lane, and do not stop in the road for wildlife or a view.
Protect the knee
Turn around before pain changes your gait.
Grades at Grand Prismatic Overlook, West Thumb, and Norris exceed 8% in places. Every stop page includes a specific lower-impact alternative.
Cold water is still dangerous
Yellowstone Lake water can incapacitate quickly.
Stay back from unstable shorelines and do not wade into thermal runoff. Current fishing and river closures are shown as dated alerts.
Watch the sky and smoke
Afternoon weather can change fast at elevation.
Carry layers, water, and sun protection. If thunder is close, return to the vehicle. Follow closures and ranger direction during fire activity.
Full reference
Nothing important left out
Open any topic for the detailed, dated guidance carried with the offline guide.
Wildlife distanceWild animals are not made safe by a road, parking lot, boardwalk, or crowd of other visitors.
Checked Jul 26, 2026
- urgent
100 yards / 25 yards
Stay at least 100 yards (91 m) from bears, wolves, and cougars, and at least 25 yards (23 m) from all other wildlife, including bison and elk. If an animal moves closer, move away to restore the distance.
- caution
The car is often the safest blind
Use a legal pullout, stay inside when animals are near, and zoom with optics rather than your feet. Never stop in a travel lane or block an animal's route.
- urgent
Bison are fast and unpredictable
Bison can run three times faster than humans. A 12-year-old visitor was injured near Mud Volcano on June 26, 2026. If a bison occupies a boardwalk or parking route, wait or retreat.
- caution
Carry bear spray where it can be reached
Know how to use bear spray before the trip. Stay alert, make noise on trails, and do not run from a bear. This driving itinerary does not replace current bear-management closures.
Thermal areasThe visible pool is not the whole hazard; a thin crust can cover superheated water.
Checked Jul 26, 2026
- urgent
Stay on boardwalks and designated trails
Keep children close and do not let them run. Never step off a boardwalk to pass a crowd, take a photograph, or test the ground.
- urgent
Keep hands and feet out
Do not touch thermal features or runoff. Swimming or soaking in water entirely of thermal origin is prohibited, and even runoff can cause severe burns.
- urgent
Leave if you feel sick
Toxic gases can accumulate in hydrothermal basins. If either traveler feels dizzy, nauseated, short of breath, or suddenly unwell, leave the basin immediately and seek help if symptoms persist.
- urgent
A prediction never overrides a closure
Biscuit Basin remains closed, and Firehole Lake Drive is closed to vehicles with no dedicated parking. Follow signs and ranger directions even if an app, map, or geyser prediction still names the place.
Road and driver safetyThe loop's main risk is ordinary driving made less ordinary by animals, fatigue, congestion, darkness, and construction.
Checked Jul 26, 2026
- urgent
Passenger controls the guide
The driver does not tap, read, or enter predictions while the vehicle is moving. Use Driver Mode only for glanceable cues and make all detailed changes while parked.
- urgent
Fatigue is a stop condition
Trade drivers or stop in a legal developed area at the first signs of heavy eyelids, repeated yawning, lane drift, or missed turns. Schedule recovery never justifies speeding.
- caution
All four tires off the travel lane
Use signed pullouts and marked spaces. Do not stop beside an occupied pullout, on vegetation, at a closed gate, or in a construction queue bypass.
- caution
Construction time is planned time
The Leeks Marina–Lizard Creek project can hold traffic for one hour before 6:00 AM and after 9:00 PM. Yellowstone bridge projects can each add 15 minutes, and parkwide chip sealing can add up to 30 minutes.
- info
Use the live road board
Yellowstone recorded road information: 307-344-2117. The physical entrance board, ranger directions, and posted closures outrank downloaded route data.
Weather, fire, and altitudeAugust can bring cold morning air, strong sun, thunderstorms, smoke, and rapid temperature change in the same day.
Checked Jul 26, 2026
- caution
Carry layers, sun protection, and water
Most of Yellowstone sits more than a mile above sea level. Drink regularly, use sunscreen, and keep a warm rain layer reachable rather than buried under luggage.
- urgent
Do not climb through altitude symptoms
Headache, nausea, dizziness, unusual fatigue, or rapid breathing can signal acute mountain sickness. Do not go higher; descend and seek medical attention if symptoms worsen or include poor coordination, confusion, severe breathlessness, or blue skin.
- caution
Fire danger was HIGH when checked
The dedicated NPS fire page listed HIGH danger on July 26, 2026. No restrictions were reported in the July 14 release, but both danger and restrictions must be rechecked before the trip. Report smoke or fire to a ranger or 911.
- urgent
Leave exposed overlooks in thunderstorms
If thunder is audible, return to the hard-topped vehicle. Do not wait under a lone tree or at an exposed canyon railing.
Cold and hot waterYellowstone water hazards range from near-boiling runoff to cold, swift lakes and rivers.
Checked Jul 26, 2026
- urgent
Stay out of swift, cold water
Do not wade for photographs or approach unstable banks. Yellowstone Lake and park rivers can be dangerously cold even in summer.
- caution
Temporary full fishing closures
The Firehole and Madison and their tributaries, plus the Gibbon and tributaries downstream of Norris Campground, were fully closed to fishing on July 15, 2026. Recheck before any fishing activity.
- urgent
Thermal water is not a foot soak
Never place a sore knee, hand, or foot in a hot spring or thermal runoff. It is dangerous, illegal in entirely thermal water, and can damage rare microbial life.
Knee and mobility planThe best version of this day preserves stability for the return drive; every stop has a specific shorter option.
Checked Jul 26, 2026
- caution
Treat grades over 8% as a decision point
West Thumb reaches 10%, Black Sand reaches 12%, Norris exceeds 8% on rough terrain, and the Grand Prismatic Overlook spur reaches 19%. Use each stop's knee alternative before pain changes gait or balance.
- caution
Choose the boardwalk over the overlook
The Midway boardwalk has documented accessible parking and access. The overlook begins at 14%, reaches 19%, and is not accessible.
- info
Turning around is a successful choice
A shorter route is not a failed stop. Use benches, avoid stairs, and release optional stops before swelling or instability makes the final hours unsafe.
Emergency and offline referenceCell coverage is unreliable. Download the guide, keep phones charged, and know which information still works without a signal.
Checked Jul 26, 2026
- urgent
Emergency: 911
Call 911 for immediate threats to life or safety. If there is no service, send the passenger or another visitor to the nearest staffed facility while keeping the injured person safe.
- info
Park information numbers
Yellowstone general information: 307-344-7381. Recorded Yellowstone road information: 307-344-2117. Grand Teton visitor information: 307-739-3399.
- caution
Verify offline inside the installed app
On iPhone, the home-screen app can use a separate storage partition from Safari. Download and verify the offline pack from the installed app, then perform an airplane-mode launch before departure.
- caution
Offline content can age
Dated closure cards are snapshots, not live clearance. Posted signs, rangers, entrance boards, and current official alerts always take priority.
Bring what the day needs
Water, salty snacks, prescribed medication, a basic first-aid kit, sunscreen, hats, rain shells, warm layers, bear spray if you know how to carry it, and a paper park map.