Where the Desert Tortoise Closes Routes
A route that appears open on an old map may now be closed to protect desert tortoise habitat, and finding a tortoise on the trail does not mean you can safely ride around it. This guide explains why closures happen, how to check route status before an ATV or UTV trip, and what to do if you encounter a tortoise in California’s desert.
Why desert tortoise habitat affects ATV and UTV routes
A route closure can protect more than the spot where a tortoise was seen
Desert tortoises live across parts of California’s Mojave and Colorado deserts. Their habitat includes areas around places riders may know, such as Johnson Valley, Barstow and the Imperial Valley. A closure is not necessarily a response to one tortoise crossing a road. Land managers may restrict vehicle use to protect a broader habitat area, preserve connections between populations, or reduce harm to animals and the places they depend on.
Tortoises spend much of their lives in or near burrows, and they can be difficult to spot. A rider might see no animals at all while still traveling through important habitat. Repeated traffic can disturb wildlife and damage desert soils and plants. In fragile ground, tire tracks may remain visible long after a riding weekend is over.
This is why “I didn’t see a tortoise” is not a reliable way to decide whether a route is open. The rules are based on designated routes and land-management boundaries, not on what a rider notices during one trip. Before heading out, review Where to Ride an OHV in California and the relevant official map for the specific riding area.
Closures may be temporary, permanent, or tied to a particular route
A closure can apply to a single connector, a network of routes, or a larger area. Some restrictions are permanent; others may be seasonal or temporary because of habitat concerns, restoration work, fire impacts, weather, or another management issue. A route shown on a map from a previous season may not reflect the latest restriction.
It also matters who manages the land. A route near a Bureau of Land Management area may be governed by different maps and notices than a route on a California State Vehicular Recreation Area, a national forest, or land managed by another agency. Nearby routes can have different rules even when they look like part of one continuous riding area.
When you are planning a ride, treat official signs and current agency notices as more important than a route line on a consumer map, a trail app, or a rider’s old GPS track. For more background on the land-management role, see California OHV Areas in the National Forests and What the OHMVR Division Actually Does.
How to check whether a desert route is open
Start with the land manager’s current information
First, identify the agency responsible for the land and the route you want to ride. Check that agency’s current route map, travel-management information, closure notices, and any alerts for the area. If a map is unclear, contact the managing office before leaving. Ask specifically whether the route is open to the type of vehicle you plan to use and whether any temporary restrictions apply.
A route can be open to some uses and closed to others, or it can end at a boundary where the rules change. Don’t assume that a route is legal just because it appears on a navigation app or connects two open areas. Look for the official designation and follow posted signs at the trailhead, junction, gate, or boundary. A closed road or route is not an invitation to find a way around the barrier.
Navigation tools can still be useful for trip planning. For example, onX Offroad can help you view route options and orient yourself, but it should be used as a planning aid rather than proof that a route is currently open. Compare the route with the relevant agency’s map and notices before riding. That extra check is especially helpful when a trail network crosses different land-management areas.
| What you find | How to treat it | What to do next |
|---|---|---|
| A current agency map shows the route as open | Stronger evidence than an old track or informal map | Check for newer alerts and follow posted signs |
| A gate or sign marks the route closed | The closure applies even if another map shows a line through the area | Turn around and use a confirmed open route |
| A navigation app shows a route but the official map is unclear | The app does not settle the route’s legal status | Contact the land manager or choose a route confirmed as open |
| A route appears open but a temporary notice restricts access | The notice may control during its stated period or conditions | Follow the notice and check whether it has been updated |
| You see a tortoise on or near the route | The sighting does not authorize riding around it or leaving the route | Slow or stop safely, give it space, and remain on the designated route |
You can also use a tool such as onX Offroad to keep track of your planned route and compare it with your official map before departure. Save the information you need for offline use if you expect weak cell coverage, but do not rely on an offline map to reflect a closure announced after it was downloaded. California Trail Maps and Where to Get Them offers more context on planning with maps.
Plan a legal alternative before you unload
Desert trips can involve long drives, trailers, fuel stops, and a group of riders with different experience levels. Finding a closure after you have unloaded can be frustrating, particularly if the route was the main reason for the trip. Build a backup plan before leaving home: identify at least one other confirmed open area or route, and make sure your group knows where the boundary is.
For example, a rider heading toward Johnson Valley should not assume every visible track in the surrounding desert is open simply because the area is known for off-highway recreation. Check the rules for the specific land and route you plan to use. The same care applies near Barstow or in the Imperial Valley, where route status and land ownership can change over relatively short distances.
If your intended ride depends on a connector route, verify that connector separately. A route may look minor on a map but be the only legal link between a staging area and a larger network. If it is closed, don’t substitute a wash, open-looking desert, or faint tire track. Choose an alternate route that the land manager identifies as open. For related guidance, see California Trail Closures to Check First and Riding Off a Designated California Trail.
What to do when you encounter a tortoise
Give the animal space and stay on the designated route
A tortoise may be on the trail, near the edge, or partly hidden among rocks and vegetation. Slow down as soon as you can do so safely. If you need to stop, pull over only where you can do it without blocking the route, putting other riders at risk, or driving onto unapproved ground. Keep a generous distance and let the animal move on its own.
Do not touch, pick up, chase, feed, or try to move the tortoise. Even a well-intentioned attempt to help can cause stress or injury. Keep dogs close and under control, and ask companions to avoid crowding the animal for photographs. If the route is blocked, wait in a safe place rather than steering around the tortoise through brush or across untouched ground.
Once it has moved away, continue slowly and stay on the established route. A single encounter does not automatically mean the route is closed, but it also does not give riders permission to make their own detour. If the land manager has posted instructions for wildlife encounters, follow those instructions.
Don’t turn a wildlife encounter into an off-route detour
One of the most common mistakes is leaving the designated track to get around an obstacle. In desert habitat, a short detour can cross sensitive ground or enter a restricted area. The safer response is to stop where appropriate, give the animal time, and wait for a clear path. If you cannot continue without going off route, turn back or contact the land manager for guidance.
Keep the group together and communicate clearly. A lead rider can signal the rest of the group to slow down, while a sweep rider can make sure nobody tries to pass through the brush. Avoid revving engines close to the animal or gathering several machines around it. This is both a wildlife precaution and a practical way to prevent a stressful encounter from becoming a collision or a route violation.
For a longer trip, carry a paper or offline map and agree on a turnaround point before you begin. A route app, including onX Offroad, may help you retrace your way, but use it alongside official route information and posted signs. California Desert Riding Safety and Riding a Wash in California can help with other decisions that come up on desert terrain.
A practical pre-ride routine for tortoise country
Check, brief, and confirm before the trip
A quick pre-ride routine can prevent a long day from turning into a frustrating or unsafe detour. Check the managing agency’s maps and notices shortly before the trip, especially if you have not visited the area recently. Save maps for offline use, confirm your planned route against official information, and write down a phone number or office contact for the land manager when available.
Then brief everyone in the group. Point out the route boundaries, any known closure areas, and the plan if you reach a gate or see a tortoise. Make sure newer riders understand that a visible track is not automatically an authorized route. If anyone has doubts about a junction, agree in advance to stop and check rather than letting the group split up.
A simple checklist can help:
- Identify the land manager for the riding area.
- Review current official route maps and closure notices.
- Confirm each planned route and connector is open to your vehicle.
- Download or carry maps for areas with limited cell coverage.
- Mark a legal backup route and a clear turnaround point.
- Brief the group on gates, boundaries, wildlife encounters, and regrouping.
- Follow signs and agency instructions if conditions differ from your plan.
Treat signs and boundaries as part of the route
At the riding area, watch for signs at access roads, trail junctions, and boundaries. A route may be open up to a sign and closed beyond it. Do not move a barrier, ride around a gate, or assume a closure is outdated because tire tracks continue past it. If a sign is damaged or hard to understand, pause and check with the land manager rather than guessing.
After the ride, report a damaged sign, an unclear closure boundary, or a route that appears to be receiving unauthorized traffic to the responsible agency. Provide a location as clearly as you can. Avoid posting a shortcut around a closure or sharing a track that directs other riders into a restricted area. Thoughtful trip planning helps protect habitat and keeps legal riding opportunities available.
For a broader look at legal route choices, see California OHV Areas After a Storm. Conditions and closures can change for reasons beyond wildlife protection, so build the habit of checking the land manager’s information before every desert ride—not only when you expect to see tortoises.
Disclaimer
This article is for general informational purposes only and does not constitute professional advice. Laws, prices and regulations vary by location and change over time. Consult a qualified professional for guidance on your specific situation.
