MOSCOW (Reuters) - Supporters planted Vladimir Putin's portrait on a mountain peak on Sunday as Russia marked his 60th birthday with adulation worthy of the Soviet era, but some mocking protesters portrayed him as a pensioner fit for retirement.

Activists cut a cake in front of a poster depicting a pensioner card with a portrait of Russian President Vladimir Putin in Moscow October 7, 2012. REUTERS/Sergei Karpukhin

The ruling party's loyal Young Guard movement was to unfurl a banner on a bridge in southern Russia which they say symbolises Putin's role in uniting the Asian and European parts of a giant country that stretches over nine time zones.

Its website published a video portraying Putin as the ultimate lady's man, waited on by a gaggle of adoring, long-legged women. Other events around the country played on the tough-guy image that has been core to Putin's political appeal.

Anti-Putin activists say the president won a third Kremlin term by rigging March presidential elections and ridiculed the birthday festivities as a personality cult.

They ditched plans for a major march through Moscow but were to stage a smaller scale "Let's send Grandpa into retirement" action near Red Square, protesters asked to bring gifts suitable for a pensioner such as reading glasses or a pipe.

The authorities appeared to be seeking to play down the event. Kremlin spokesman Dmitry Peskov said the president would spend the day relaxing with close family and no special celebrations were planned.

In the most ambitious tribute, a group of world-class mountaineers unfurled Putin's portrait at 4,150 metres (13,615 feet) atop one of the highest peaks in Russia's North Caucasus.

"We have stuck Putin's portrait on a rock wall we see as unbreakable and eternal as Putin," Kazbek Khamitsayev, who led the difficult climb up the icy peak, told Reuters.

"This is our present to Putin.... From the bottom of our hearts we celebrate him who has done so many courageous things for our country and is a strong guarantor of happiness and stability."

The Caucasus are particularly significant in recent Russian history as the relatively unknown Putin built his political career more than a decade ago by reimposing Moscow's rule in the region's secessionist Chechnya province.

"LADIES' MAN"

Even though Putin is at an age at which he can collect his pension, many of the tributes played to Putin's image as a sex symbol - one in five Russian women say they would be happy to marry him in a Levada Centre poll released on Friday.

The Young Guard video included young women in tight-fitting costumes anxiously checking their cell phones and staring longingly at portraits of Putin.

They re-enact the former KGB spy's macho stunts such as scuba diving, flying a fighter jet, playing hockey and galloping through a field. Each woman smiles as she receives a text message, promising "I'll be there soon." The clip ends with them cheering as a car presumably containing Putin pulls up.

In St. Petersburg, Putin's hometown, a VIP concert was planned while around 200 Kremlin supporters turned out for a "Pull-up for Putin" competition in Moscow. Other activists were to hold a poetry reading and take over a nightclub for a Putin-themed evening.

Anti-Putin activists marked the day in a rather different style, including a protest near Moscow's Red Square calling on Putin to retire. Organisers asked protesters to bring gifts suitable for a pensioner - from reading glasses to a pipe.

In a satire of the fawning celebrations organised by the pro-Kremlin camp, artists in Moscow staged an exhibit entitled "The President. The most kind-hearted soul", featuring a picture of Putin cuddling his Bulgarian sheepdog.

State television was to mark the event on Sunday night with documentaries on Putin's 12-years at the helm. He served as president from 2000-2008 and then four years as prime minister.

They were unlikely to be critical. One trailer aired on the Kremlin-friendly channel NTV showed Putin in tiny black swimming trunks answering questions after a lap in a pool.

Nevertheless, after 12 years as Russia's paramount leader, Putin's ratings are down from their peak during the oil-fuelled economic boom of his first presidency from 2000 until 2008.

In August the independent Levada polling group said 48 percent of Russians had a positive view of him compared to 60 percent in May when he began a new six-year term, though that is higher than that enjoyed by most Western politicians.

(Editing by Jon Boyle)

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