Lake Powell

Reservoir on the Colorado River straddling the Arizona-Utah border, formed by Glen Canyon Dam and protected within Glen Canyon National Recreation Area (managed by the National Park Service). One of the largest human-made reservoirs in the U.S. by capacity. As of mid-2026, reporting put water levels at roughly 23% of full capacity amid ongoing Colorado River Basin drought — check current conditions before planning a trip.

Lake Powell is a vast reservoir on the Colorado River that spans the Arizona-Utah state line, created after Glen Canyon Dam was completed near Page, Arizona, in the early 1960s and the river backed up to flood Glen Canyon over the following years. Managed by the National Park Service as Glen Canyon National Recreation Area, the lake's convoluted shoreline of narrow side canyons, sandstone walls, and hidden coves has made houseboating here into an iconic Southwest vacation in its own right. On the Arizona side, the town of Page serves as the main gateway, with marinas offering boat rentals, guided tours, and access to famous nearby sights like Antelope Canyon and Horseshoe Bend. In recent years the lake has also become a symbol of the Colorado River's broader water crisis: prolonged drought and heavy upstream demand have pushed water levels to some of the lowest points since the reservoir was filled, exposing new shoreline, closing boat ramps, and changing how visitors need to plan a trip. Because conditions on the water can shift from year to year, checking current lake levels and ramp status before a visit is essential.

Lake Powell sits mostly in southern Utah, with its southern end and the town of Page extending into Coconino County, Arizona. The lake lies entirely within Glen Canyon National Recreation Area, a National Park Service unit stretching along roughly 1,900 miles of shoreline. On the Arizona side, Page functions as the main access point, home to Wahweap Marina, close to Glen Canyon Dam and its visitor center, as well as Antelope Point Marina nearby. Because the lake winds through numerous side canyons, exact travel times to specific coves or landmarks vary widely depending on where you launch.

The area around Lake Powell has a hot desert climate, with summer air temperatures regularly climbing above 100°F and intense, largely unshaded sun on the water. Winters are much milder in comparison but still see cold nights, and the region receives very little annual rainfall overall. Water temperatures vary by depth and season, generally warmest in the shallows during summer and cold enough in winter and at depth to bring on hypothermia quickly if you fall in unprepared. Sudden, localized thunderstorms are possible, especially during the summer monsoon, and can bring high winds that make boating dangerous with little warning, so checking a same-day forecast before heading out on the water matters more here than at many destinations.

Late spring and early fall tend to offer the best balance of comfortable temperatures and manageable crowds at Lake Powell, avoiding both the coldest water of winter and the most intense heat and busiest holiday weekends of mid-summer. Summer remains the most popular season for houseboating and water sports despite the heat, since warm water and long daylight hours suit swimming and watersports. Whatever season you choose, it's worth checking current lake-level and ramp-status updates in advance, since low water in recent years has closed some launch points and changed which coves and marinas are usable.

Long before it became a reservoir, Glen Canyon was a spectacular, largely unroaded stretch of Colorado River canyon country, and proposals to dam it date back to the 1920s, though early plans were shelved in favor of Hoover Dam further downstream. By the 1950s, rapid population growth across the Colorado River Basin states led federal water managers to pursue additional storage capacity on the river, and Glen Canyon Dam was authorized as part of that push. Construction began in 1956, with President Eisenhower triggering the first demolition blast remotely from the White House, and continued for roughly seven years; the last bucket of concrete was poured in September 1963. Once the dam was complete, the Colorado River could no longer be diverted around the construction site, and Glen Canyon began filling behind it, eventually taking some sixteen years to reach its intended high-water mark in 1980. The new reservoir was named for John Wesley Powell, the geologist and Civil War veteran who led the first documented expedition down the Colorado River through the Grand Canyon in 1869. The flooding of Glen Canyon remains controversial among conservationists who mourned the loss of the canyon's original geology and archaeological sites, a debate that continues today as prolonged drought has caused water levels to drop dramatically and, at times, re-expose parts of the original canyon.

Boating is the centerpiece of a Lake Powell visit, whether that means a multi-day houseboat rental exploring quiet side canyons, a rented powerboat for day trips, or a guided tour boat out of one of the marinas. A boat tour into Antelope Canyon from the water is a popular way to see the slot canyon's sculpted walls without joining the long lines at the more famous land-based entrance nearby. Kayaking and paddleboarding let visitors reach narrower coves that larger boats can't enter, and fishing for striped bass, largemouth and smallmouth bass, and catfish draws anglers to the lake's deeper waters. On land, Horseshoe Bend, a dramatic curve of the Colorado River overlook just south of Page, is an easy short walk from a nearby parking area and one of the most photographed viewpoints in the region. Hiking and canyoneering in the surrounding sandstone terrain, along with exploring Page's small-town amenities, round out a typical visit.

Wahweap Marina, near the Arizona shore close to Page, is the largest and most developed marina on the lake, with lodging, dining, and boat rental and tour operations. Antelope Point Marina, also near Page, offers similar services and is a popular launch point for reaching Antelope Canyon by water. Glen Canyon Dam itself, along with the visitor center overlooking the dam and the Colorado River below, gives context on how the reservoir came to be and is worth a stop even for visitors who won't be getting onto the water. Horseshoe Bend, just a short drive and walk from central Page, is a must-see overlook independent of any boat trip. Within the lake, countless unnamed side canyons and coves — reachable mainly by boat — are often the highlight for houseboat travelers, along with well-known formations like Rainbow Bridge, one of the world's largest natural bridges, reachable by a longer boat trip plus a short hike.

Page, Arizona is the main gateway to the Arizona side of Lake Powell. Page Municipal Airport offers limited general-aviation and small commuter service; most visitors instead fly into a larger airport and drive. Phoenix Sky Harbor International Airport is roughly a four- to five-hour drive south, Las Vegas' airport is a similar distance to the west, and Flagstaff's smaller Pulliam Airport is about two and a half to three hours away. By road, Page sits on U.S. Route 89, reachable from Flagstaff via 89 North, or from the Phoenix area via I-17 and then 89 North. Because much of the surrounding landscape is remote high desert, it's worth fueling up and carrying extra water for the drive regardless of your starting point.

Glen Canyon National Recreation Area's grounds are generally open year-round, though individual facilities like marinas, visitor centers, and boat ramps keep their own seasonal hours, and ramp availability has been affected by low water levels in recent years — confirm current hours and open ramps on the official NPS site before visiting.

As of research, a standard private-vehicle pass cost $30 for seven days, with separate motorized-vessel launch fees scaled to boat length, plus an annual Glen Canyon pass option; confirm current prices on the official NPS fee page, since these figures can change.

A day trip covers Horseshoe Bend and a short boat tour, but a proper houseboat vacation, which is how many visitors experience the lake, typically runs three to five days or longer.

Page, Arizona has the bulk of hotel options near the Arizona side of the lake, ranging from chain properties to a hotel overlooking Glen Canyon. Lakeside lodging is available directly at Wahweap, close to Glen Canyon Dam. Houseboat rental itself is a form of accommodation many visitors choose instead of a hotel, available through operators based at Wahweap and Antelope Point marinas, and typically booked well in advance given limited fleet sizes. Camping is also available at NPS-run campgrounds around the lake. Because Page is a relatively small town, availability can tighten during peak summer months and holiday weekends, so booking ahead is worthwhile.

Page has a modest but varied dining scene, and several lakeside restaurants at the marinas offer waterfront views alongside their menus. Options near Wahweap include a lounge serving pub-style fare and cocktails, and a full-service restaurant with a broader American menu spanning burgers, pasta, and fresh fish. In town, Page has a range of casual restaurants and cafes to suit shorter visits or grocery runs before a houseboat trip, since most rented houseboats include a kitchen for self-catering during multi-day stays. As with much of this remote part of Arizona, options thin out compared to larger cities, so it's worth checking current hours, especially outside peak season.

Antelope Canyon, one of the most photographed slot canyons in the world, sits just outside Page and can be reached by land tour or, for its lower section, by boat from the lake itself. Horseshoe Bend is essentially within Page's town limits. Grand Staircase-Escalante National Monument and the northern reaches of the Grand Canyon (the North Rim and Vermilion Cliffs area) lie within a few hours' drive. Rainbow Bridge National Monument, one of the largest known natural bridges, is reachable by a longer boat excursion across the lake combined with a short hike.

There is no scheduled public bus or rail service into Page; a personal or rental vehicle is the practical way to get around, and once on the water, boat transport (rented or via marina shuttle/tour) takes over as the primary way to reach most of the lake's attractions. Page Municipal Airport has limited flights, so most travelers combine a flight into a larger regional airport with a multi-hour drive.

There are no lifeguards anywhere on Lake Powell, so NPS guidance stresses always swimming with a buddy and never leaving children unsupervised near the water; anyone 12 or under must wear a life jacket on a vessel or in the water. Watch for posted water-quality advisories, since the lake has experienced toxic algal bloom warnings in recent years — don't swim in visibly discolored water and shower after any water contact. Low water levels have exposed new hazards like submerged obstacles and shifting channels, so boaters should go slowly and stay alert in unfamiliar coves. Carry more drinking water than usual given the heat, and check the forecast before heading out, since sudden winds and storms can make open water genuinely dangerous.

Life jackets for all passengers (mandatory for children 12 and under), sun protection including a hat and reef-safe sunscreen, plenty of drinking water, a change of dry clothes, non-slip footwear for boats and rocky shoreline, a dry bag for electronics, and a printed or offline map, since cell coverage can be spotty in the canyons.

Book houseboats and popular boat tours well in advance, especially for summer weekends, since fleets and tour slots are limited. Check the NPS's current ramp-status information before you go, as record-low water levels in recent years have closed some launch ramps entirely. If you want to see Antelope Canyon by water, confirm which marina offers that specific route, since access has shifted with lake levels. Fuel up and stock groceries in Page before heading out on a multi-day houseboat trip, since options become scarce once you're on the lake. Finally, budget extra driving time to reach Page itself, since it sits well outside any major metro area.

For any emergency on land or water, dial 911, or hail the National Park Service on marine radio Channel 16 if you're out on the lake. Glen Canyon National Recreation Area's general visitor line, 928-608-6200, is for non-emergency inquiries and is not staffed after hours.

National Park Service — Glen Canyon National Recreation Area: https://www.nps.gov/glca/index.htm

This section is being updated and will be available shortly.

This section is being updated and will be available shortly.

This section is being updated and will be available shortly.